complete the function below so that it computes αα and ββ for the univariate model, y∼α⋅x βy∼α⋅x β , given observations stored as numpy arrays y[:] for the responses and x[:] for the predictor.

Answers

Answer 1

The values of α and β for the univariate model y ∼ α ⋅ x β are computed by using the numpy arrays y[:] for the responses and x[:] for the predictor. Finally, the function returns the values of alpha and beta.

In order to compute the values of α and β for the univariate model, y∼α⋅x β, we can use the numpy arrays y[:] and x[:]. The first step is to calculate the means of these two arrays using the mean() function in numpy. We can then use these means to calculate the values of α and β using the following formulas:

β = (np.sum((x[:] - np.mean(x[:])) * (y[:] - np.mean(y[:])))) / (np.sum((x[:] - np.mean(x[:])) ** 2))

α = np.mean(y[:]) - (β * np.mean(x[:]))

Here, np is the abbreviation for numpy. The formula for β is the covariance of x and y divided by the variance of x. The formula for α is the intercept. Once we have calculated these values, we can use them to predict the value of y for any given value of x.

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Related Questions

in which step of web design is storyboarding helpful?

a
Coding

b
Editing

c
Planning

d
Publishing

Answers

Answer:

the soup become too salty through the process of osmosis system specific message and you can get my points

Explanation:

his email address is going to change your notification delivery settings for Corona CA and you know that

application programming interfaces, or apis, are sets of that query databases for specific information a.) methods b.) programs c.) sources d.) sql

Answers

API (Application Programming Interfaces) is a program that are sets of that query databases for specific information.

What is an API (Application programming interface)?

An application programming interface, or API, allows businesses to expose the data and functionality of their applications to third-party developers and business partners, as well as departments within their own organizations.

Through a documented interface, this allows services and products to communicate with one another and leverage one another's data and functionality.

Programmers aren't required to understand how an API works; they simply use the interface to communicate with other products and services. API usage has skyrocketed in the last decade, to the point where many of today's most popular web applications would be impossible to create without them.

Why we need APIs -

Improved collaborationEasier innovationData monetizationAdded security

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You have two Windows Server 2016 computers with the Hyper-V role installed. Both computers have two hard drives, one for the system volume and the other for data. One server, HyperVTest, is going to be used mainly for testing and what-if scenarios, and its data drive is 250 GB. You estimate that you might have 8 or 10 VMs configured on HyperVTest with two or three running at the same time. Each test VM has disk requirements ranging from about 30 GB to 50 GB. The other server, HyperVApp, runs in the data center with production VMs installed. Its data drive is 500 GB. You expect two VMs to run on HyperVApp, each needing about 150 GB to 200 GB of disk space. Both are expected to run fairly disk-intensive applications. Given this environment, describe how you would configure the virtual disks for the VMs on both servers.

Answers

The virtual disk configuration for the VMs on both servers in this environment is shown below.

In the Hyper V Test,

Since there will be two or three virtual machines running at once, each of which needs between 30 and 50 GB of the total 250 GB of disk space available,

What is virtual disks?

Setting up 5 virtual disks, each 50 GB in size.

2 VMs each have a 50 GB virtual drive assigned to them.

The above setup was chosen because running three VMs with various virtual disks assigned to them will not pose an issue when two or three VMs are running concurrently and sharing the same virtual disk. This is because the applications are disk-intensive.

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Given this environment, the virtual disk configuration for the VMs on both servers is shown below. Because two or three VMs will be running at the same time, and each VM has disk requirements ranging from 30 to 50 GB of total disk space of 250 GB.

What is Hyper V Test?While there are several methods for testing new virtual machine updates, Hyper-V allows desktop administrators to add multiple virtual machines to a single desktop and run tests. The Hyper-V virtualization technology is included in many versions of Windows 10. Hyper-V allows virtualized computer systems to run on top of a physical host. These virtualized systems can be used and managed in the same way that physical computer systems can, despite the fact that they exist in a virtualized and isolated environment. To monitor the utilization of a processor, memory, interface, physical disk, and other hardware, use Performance Monitor (perfmon) on a Hyper-V host and the appropriate counters. On Windows systems, the perfmon utility is widely used for performance troubleshooting.

Therefore,

Configuration:

Creating 5 Virtual disks of 50 GB each.

1 virtual disk of 50 GB is assigned to 2 VM.

The above configuration is because since two or three VM will be running at the same time and using the same virtual disk will cause a problem since the applications are disk intensive, running three VMs with different virtual disks assigned to them, will not cause a problem.

For Hyper V App,

Two VM will run at the same time, and the disk requirement is 150 - 200 GB of 500 GB total disk space.

Configuration:

Creating 2 virtual disks of 200 GB each with dynamic Extension and assigning each one to a single VM will do the trick.

Since only two VMs are run here, the disk space can be separated.

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how many total ip hosts did zenmap find on the network?

Answers

Zenmap is a graphical interface for the Nmap network scanner that can be used to scan networks and identify hosts and services. When scanning a network,  Zenmap sends out packets to various IP addresses to determine which ones are active and responding.

It can also gather information about the operating systems, services, and ports running on the hosts that respond to the scan. Zenmap can provide a lot of information about a network, but the specific details depend on the type of scan performed, the options selected, and the specific network being scanned.

In general, a scan of a small network with only a few hosts may return results quickly and provide a lot of detail about each host. A scan of a large network with many hosts may take a long time to complete and only provide basic information about each host due to the large amount of data being collected.

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What type of character can also be referred to as an avatar, main, or alt

Answers

Answer:

The main character or antagonist.

Chunking is a good strategy for completing large assignments because it makes the work


less boring.

more thorough.

less difficult.

more manageable.

Answers

Answer:

umm it d i think

Explanation:

the comments above where crazy and concerning its just one test question

Answer:

to confirm D is right on edge

Explanation:

credit to ejtucci07

which type of connector is commonly used for keyboards and mice?

Answers

Answer:

USB Type-A

Explanation:

Most commonly used connector.


1. Using a microphone to create an audio file to accompany a message is an example of how data is processed and sent to an output device. true/false?

Answers

Answer:

I would say true.

Which scenario shows the best example of intrinsic motivation?

Zareem takes good notes in class to know the lesson better.

Yuto answers questions in class to impress the teacher.

Arthur prepares study sheets in class for other students.

Nikita shows up to class to avoid getting into more trouble.

Which scenario shows the best example of intrinsic motivation?Zareem takes good notes in class to know

Answers

The answer is A. Zareem takes good notes in class to know the lesson better.

Explanation:

Intrinsic motivation occurs if individuals act based on inner interests or rewards such as feeling proud of one-self. This is the opposite of extrinsic motivation that involves external factors such as punishments, rewards, pressure from others, etc. According to this, the only one that is an example of intrinsic motivation is "Zareem takes good notes in class to know the lesson better" because the action (taking good notes) is triggered by Zareem's own interest in learning rather than by any external factor.

Answer:

Zareem takes good notes in class to know the lesson better.

Explanation:

i took the test and got a 100

PLEASE HELP!!! DECENT AMMOUNT OF POINTS!! DRIVERS ED


An automatic transmission is a mechanism that

A. automatically turns on your car

B. automatically turns off your car

C. selects the best gear for the situation

D. Connect your radio to air signals

Answers

Answer:

c. Selects the best gear for the situation.

Explanation:

Which of the following is hardware or software that monitors and controls network traffic to prevent security breaches?
O trojan horse
O firewall
O anti-malware
O keylogger
Need answer now!!!!!

Answers

Answer:

Firewall

Explanation:

A trojan horse and keylogger are types of malware. While an anti-malware software may come with a firewall built in, the firewall is still the thing monitoring network traffic.

Complete the analogy: cooking steps are to recipes as: Question 4 options: a GDD is to goals. iteration is to post-production. tasks are to development checklists. calendars are to milestones.

Answers

Cooking steps are to recipes as: C. tasks are to development checklists.

What is an analogy?

An analogy can be defined as a comparison between two (2) or more thing, especially for the purpose of explanation or clarification based on their similar characteristics, qualities and features.

A good example of an analogy is the comparison of cooking steps to recipes because they both provide the procedures involved in preparation of food such as rice, potato, beans, etc.

Similarly, tasks and development checklists are examples of an analogy.

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If you plan to accept audience questions during your presentation the best method for moving from one slide to the next is

Answers

If you plan to accept audience questions during your presentation, the best method for moving from one slide to the next is to use a "pause and address" approach.

1: Complete discussing the content on your current slide.
2: Pause briefly and ask the audience if they have any questions about the current slide or topic.
3: Address any questions that arise, ensuring clarity and understanding.
4: Once questions have been answered, proceed to the next slide and continue with your presentation.

By following this method, you can maintain a smooth flow in your presentation while addressing audience questions effectively.

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after you set a pin for an azure ad account on your laptop, that pin can be used only on your laptop. true or false?

Answers

False. Any device connected to the same Azure AD tenant can use a PIN that has been set for an Azure AD account once on a particular device.

When creating new user profiles, which profile is used?

When a person initially logs into their computer, local profiles are created. They are referred to as local profiles since they are kept on the desktop of the computer on the local hard drive.

Which user profile is available across numerous computers and is kept in a network location?

A roaming profile is kept on a central server that all domain machines can access. This enables you to log into every system with the same environment settings.

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the weekly question would you rather be the smartest but ugliest at your school or most handsome but not smart.

Answers

Answer:

lol I would be the most handsome but not smart

Explanation:

Answer:

Imao- i'd be the most handsome(cute) but not smart.

Explanation:

have a great weekend ( ̄▽ ̄)ノ

Which window component is the lowest horizontal member of the frame and supports the window hardware

Answers

The window component that is the lowest horizontal member of the frame and supports the window hardware is known as a window sill. A window sill is a part of the window frame that serves as the base for the windowpane. It is usually the lowest horizontal member of the frame and supports the window hardware and helps to keep the window in place.

The window sill is an essential component of a window. It provides a ledge where you can place items such as plants, books, or other small objects. Window sills can be made from a variety of materials, including wood, stone, metal, and composite materials. They are typically designed to be durable and long-lasting and require minimal maintenance.

Window sills can also help to prevent water damage to your home. They act as a barrier to prevent rainwater from seeping into your home and can help to channel water away from your home's foundation. In some cases, window sills can also help to prevent drafts from entering your home, making them an important part of your home's energy efficiency.

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The provision of one of the following social amenities is not impacted by technology. (A) Highways (B) Roads with potholes (C) Electricity for lighting (D) Asphalt roads with modern road signs​

Answers

Answer:

(B) Roads with potholes

Explanation:

Roads with potholes are not impacted by technology. Highways, electricity for lighting and asphalt roads with modern road signs are impacted by technology.

Which of the following best explains how symmetric encryption are typically used?

Answers

A: Symmetric encryption uses a single key that should be kept secret. The same key is used for both encryption and decryption of data.

The option that best  explains how symmetric encryption are typically used is; A: Symmetric encryption uses a single key that should be kept secret. The same key is used for both encryption and decryption of data.

Understanding Symmetric Encryption

Symmetric encryption is one of the oldest and best-known technique which makes use of secret key that could be a number, a word, or just a string of random letters, applied to the text of a message in order to change the content in a particular way.

Symmetric encryption involves the use of a key, which is known as the Symmetric Key which contains a series of numbers and letters.

Finally, Symmetric Key is used to encrypt a message as well as the same key is also used to decrypt it.

Looking at the given options from online, the correct option is A: Symmetric encryption uses a single key that should be kept secret. The same key is used for both encryption and decryption of data.

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Plz help
Match each engineering job role to its description

Plz helpMatch each engineering job role to its description

Answers

Answer:

Check image, correct on PLATO

Explanation:

Plz helpMatch each engineering job role to its description

The correct matches of each engineering job role to its description are mentioned below.

What is engineering?

Engineering is the application of science and mathematics to problem-solving. While scientists and innovators create new ideas, it is engineers that put these ideas into practice.

It is the integration of scientific concepts to the design and construction of machinery, structures, and other objects such as bridges, tunnels, roads, automobiles, and buildings.

Each engineering job role's correct match to its description is shown here.

Heads the engineering department and ensures that it operates smoothly  - chief engineerperforms administrative work to ensure projects comply with engineering codes and standards  - office engineerperforms a variety of onsite tasks, such as supervision and equipment installation -  field engineerensures projects end on time through careful planning and organization - project engineerensures proper sequencing of events to minimize project duration - planning engineer.

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brain of the computer system is called​

Answers

Answer:

central processing unit in short form CPU :)

Answer:

The Central Processing Unit(CPU)

Explanation:

The CPU is the brain of a computer, containing all the circuitry needed to process input, store data, and output results.

Who invented the television and what year did color come out? Explain​

Answers

The television was not invented by a single person, but its development involved contributions from several inventors and engineers.

How is this so?

Philo Farnsworth is often credited as one of the key inventors of television, as he successfully demonstrated the first working electronic television system in 1927.

As for color television, it was first introduced commercially in the United States in 1953 by RCA.

The introduction of color television marked a significant milestone in broadcasting, enhancing the viewing experience for audiences worldwide.

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Urgent need ASAP
Develop an algorithm which reads a dollar and cent value, and returns the monetary breakdown from that amount. For example:

$155.90 will return:

$100 1
$50 1
$20
$10
$5 1
$2
$1
Half dollar: 1
Quarters: 1
Dimes 1
Nickel 1
Pennies

Answers

Answer:

{3 quarters, 1 dime, 2 nickels, 5 pennies}  or  

 {3 quarters, 2 dimes, 1 nickel, 5 pennies}

Explanation:

You need change for a nickel, so 5 pennies.

You need change for a dime, so 1 more nickel.

You need change for a quarter, so a dime and a nickel, or two dimes more.

You need change for $1, so 3 more quarters.

You need a minimum of 11 coins. You can use 2 nickels and a dime, or 2 dimes and a nickel to get the values between 15¢ and 25¢. The latter gives you the ability to continue up to $1.05.

 pls mark brainliest

How can we change our real institutions, such as Attica Prison, when they are designed to resist critical evaluation and operate in relative secrecy from taxpayers and legislators?

Answers

We can change our real institutions, to operate in relative secrecy from taxpayers and legislators by making good programs that will push the idea above forward.

What is evaluation?

Evaluation is a known to be the act of critically examining or looking through a  given program.

Note that  It often involves collecting and analyzing information and as such, We can change our real institutions, to operate in relative secrecy from taxpayers and legislators by making good programs that will push the idea above forward.

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A. Distributed denial of service (DDoS)
B. Lost productivity
C. Firewall configuration error
D. Unauthorized remote access

Answers

The right response is option A, which reads, "A hacker is attempting to launch a DDoS assault on the server by saturating it with phony requests from zombies in a botnet."

Denial of service (DoS) attacks include distributed denial of service (DDoS) assaults. A botnet is a collection of interconnected online devices that are used in DDoS attacks to saturate a target website with fake traffic. Imagine you are using a sniffer to monitor the network and analyze external traffic when all of a sudden, a server starts receiving hundreds of random, unidentified packets from various sources. The most likely scenario is that a cybercriminal is attempting to overwhelm the server with phony requests from zombies in a botnet in order to perform a DDoS attack.

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How is video compression accomplished?
Video compression works by making the pixel size smaller.
Video compression works by removing the sound.
Video compression works by smoothing the pixels.
Video compression works by removing unnecessary parts of frames

Answers

Video compression works by making pixels smaller, so A.

Answer:

A. Video compression works by making the pixel size smaller.

Explanation:

E2020!

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Transcribed image text: Convert the following Pseudo-code to actual coding in any of your preferred programming Language (C/C++/Java will be preferable from my side!) Declare variables named as i, j, r, c, VAL Print "Enter the value ofr: " Input a positive integer from the terminal and set it as the value of r Print "Enter the value of c: " Input a positive integer from the terminal and set it as the value of c Declare a 2D matrix named as CM using 2D array such that its dimension will be r x c Input an integer number (>0) for each cell of CM from terminal and store it into the 2D array Print the whole 2D matrix CM Set VAL to CM[0][0] Set both i and j to 0 While i doesn't get equal to r minus 1 OR j doesn't get equal to c minus 1 Print "(i, j) →" // i means the value of i and j means the value of j If i is less than r minus 1 and j is less than c minus 1 If CM[i][j+1] is less than or equal to CM[i+1][j], then increment j by 1 only Else increment i by 1 only Else if i equals to r minus 1, then increment j by 1 only Else increment i by 1 only Print "(i, j)" // i means the value of i and j means the value of j Increment VAL by CM[i][j] Print a newline Print the last updated value of VAL The above Pseudo-code gives solution to of one of the well-known problems we have discussed in this course. Can you guess which problem it is? Also, can you say to which approach the above Pseudo-code does indicate? Is it Dynamic Programming or Greedy? Justify your answer with proper short explanation.

Answers

The following is the solution to the provided Pseudo code in C++ programming language. As for which problem this Pseudo code gives a solution for, it is the problem of finding the path with minimum weight in a matrix from its top-left corner to its bottom-right corner, known as the Minimum Path Sum problem.The above Pseudo code shows the Greedy approach of solving the Minimum Path Sum problem. This is because at each cell of the matrix, it always picks the minimum of the right and down cell and moves there, instead of keeping track of all paths and comparing them, which would be the Dynamic Programming approach. Hence, it does not require to store all the sub-problem solutions in a table but instead makes a decision by selecting the locally optimal solution available at each stage. Therefore, we can conclude that the above Pseudo code does indicate the Greedy approach to the Minimum Path Sum problem in computer programming.Explanation:After receiving input of the dimensions of the matrix and the matrix itself, the Pseudo code declares a variable VAL and initializes it with the first cell value of the matrix. It then uses a while loop to iterate through the matrix till it reaches its bottom-right corner. At each cell, it checks if it can only move to the right or down, and then it moves in the direction of the minimum value. VAL is then updated by adding the value of the current cell to it.After the loop is exited, the last updated value of VAL is printed, which is the minimum path sum value.

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Buying the newest phone as soon as it is released when your current phone works perfectly is not a good idea for all but which of the following reasons?

Answers

Answer:

You are gonna waste money and it might not be the best idea

Explanation:

Answer:

waste money

Explanation:

Which statement is most accurate?Batteries with higher voltage will always produce a lower current rating than batteries with low voltages. Voltage is not a good indicator of electrical current that batteries can produce. A 1.5 volt battery has less ability to move electrons than a 6 volt battery. A 12 volt battery creates more electrical pressure than a 24 volt battery.

Answers

A 12 volt battery creates more electrical pressure than a 24 volt battery.

What is meant by volt?

-A measurement of the electromotive force and electrical potential difference between two places in a conducting wire carrying a continuous current of one amp when the power applied between these two sites is equal to one watt.

-A volt is defined as the energy consumption of one joule for every coulomb of electrical charge. 1V = 1J/C.

One volt is the difference in potential between two locations in a wire carrying one ampere of current when the power expended between the places is one watt.

-Volts are units of electrical potential, potential difference, and electromotive force in the metre-kilogram-second system (SI).

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What is the term for the psychology, reasoning, and history behind a character's reactions in certain situations?

Answers

There are a lot of factors in behavioral neuroscience. For starters, there are social-cultural influences and biological and psychological influences. You can operate on a social script ( an action made off of previously perceived scenarios)
Most teenagers operate off of social-cultural psychology, primarily because of propaganda on TV, family traditions, etc.
Psychological factors like cognition could serve as a trait for situations.
Biological traits like testosterone, bipolar disorder, etc. It can affect these situations.

A testing lab wishes to test two experimental brans of outdoor pain long each wiil last befor fading . The testing lab makes six gallon s of each paint to test. The resultare Shown to see how

Answers

Answer:

The answer is "\(\bold{Brand \ A \ (35, 350, 18.7) \ \ Brand \ B \ (35, 50, 7.07)}\)"

Explanation:

Calculating the mean for brand A:

\(\to \bar{X_{A}}=\frac{10+60+50+30+40+20}{6} =\frac{210}{6}=35\)

Calculating the Variance for brand A:

\(\sigma_{A}^{2}=\frac{\left ( 10-35 \right )^{2}+\left ( 60-35 \right )^{2}+\left ( 50-35 \right )^{2}+\left ( 30-35 \right )^{2}+\left ( 40-35 \right )^{2}+\left ( 20-35 \right )^{2}}{5} \\\\\)

     \(=\frac{\left ( -25 \right )^{2}+\left ( 25 \right )^{2}+\left ( 15\right )^{2}+\left ( -5 \right )^{2}+\left ( 5 \right )^{2}+\left ( 15 \right )^{2}}{5} \\\\ =\frac{625+ 625+225+25+25+225}{5} \\\\ =\frac{1750}{50}\\\\=350\)

Calculating the Standard deviation:

\(\sigma _{A}=\sqrt{\sigma _{A}^{2}}=18.7\)

Calculating the Mean for brand B:

\(\bar{X_{B}}=\frac{35+45+30+35+40+25}{6}=\frac{210}{6}=35\)

Calculating the Variance for brand B:

\(\sigma_{B} ^{2}=\frac{\left ( 35-35 \right )^{2}+\left ( 45-35 \right )^{2}+\left ( 30-35 \right )^{2}+\left ( 35-35 \right )^{2}+\left ( 40-35 \right )^{2}+\left ( 25-35 \right )^{2}}{5}\)

    \(=\frac{\left ( 0 \right )^{2}+\left ( 10 \right )^{2}+\left ( -5 \right )^{2}+\left (0 \right )^{2}+\left ( 5 \right )^{2}+\left ( -10 \right )^{2}}{5}\\\\=\frac{0+100+25+0+25+100}{5}\\\\=\frac{100+25+25+100}{5}\\\\=\frac{250}{5}\\\\=50\)

 Calculating the Standard deviation:  

\(\sigma _{B}=\sqrt{\sigma _{B}^{2}}=7.07\)

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Selecting a topic, analyzing the audience, writing a thesis statement, and determining the purpose of the speech are all involved in the process of constructing a speech. Put these in correct chronological order:analyze the audience. select a topic. determine the purpose of the speech. write a thesis statement. 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What does the lantern symbolize & what does covering the light bulb symbolize aspen corporation uses uses the high-low method to analyze mixed costs. The following information relates to the production data for the first six months of the year.Month Cost HoursJanuary $4,515 300February $4,825 400March $5,540 550April $4,485 200May $5,685 800June $5,230 500How should the cost function be properly stated?Y = $2,025 + $2.50H.Y = $3,890 + $2.00H.Y = $4,085 + $2.00H.Y = $5,260 + $2.50H. A bond has an annual coupon of 3%, which makes semiannual payments. The next payment is 3 months away. The bonds quoted price is 100.4 with par of $1000, what is the bond's dirty price?(Please use at least 5 decimal places and do not use $ symbol in the answer) Complete the sentences by dragging the correct organs or structures to the appropriate blanks. Answers may be used more than once. Not all answers will be used. Used bile salts are absorbed in the ____. This organ recycles the bile salts to used bile salts enter the make new II present in chyme, it can interfere with the recycling of used blle salts. As a result, the used bile salts are in _____ When there is a lack of recycled blle salts, the from the bloodstream to make new ___ uses True or False, the angle of attack for a faster moving airplane does not change as much as that for a slower moving airplane when encountering a vertical gust of the same magnitude. Assuming you are going into a market with one existing competitor, Choose an appropriate position from the Bowmans Strategic Clock, which offers the most competitive advantages, and thoroughly explain your reasons. Prove that 17 is the only prime number of the form n?- 64.|| - currently, 3m company pays an annual dividend of $2.46. if the stock is selling for $60, what is the dividend yield? (enter your answer as a percent rounded to 1 decimal place.)