Consider an individual selected at random from a sample of 750 married women (see the data in the file P05_61.xlsx) in answering each of the following questions. Round your answers to three decimal places, if necessary.
A. What is the probability that this woman does not work outside the home, given that she has at least one child
B. What is the probability that this woman has no children,given that she works part time?
C. What is the probability that this woman has at least two children,given that she does not work full time?

Answers

Answer 1

Answer:

P(A) = 86 / 265

P(B) = 39 / 153

P(C) = 243 / 326

Note:

Missing data as follow

Number of children    No job      Part-time      Full-time     Total

0                                      16                39                98            153

1                                       86               59                126           271

2                                      163              80                83             326

Total                                265             178               307           750

Computation:

P(A) = 86 / 265

P(B) = 39 / 153

P(C) = (163 + 80) / 326 = 243 / 326


Related Questions

find the inverse of each equation


find the inverse of each equation

Answers

The inverse of the equation is determined as \(y = \log_{6}(-3x)\).

option D is the correct answer.

What is the inverse of the equation?

The inverse of the equation is calculated by applying the following method;

The given equation;

y = - 6ˣ/3

The inverse of the equation is calculated as;

multiply through by 3

\(-3x = 6^y\)

Take the logarithm of both sides of the equation with base -6:

\(\log_{6}(-3x) = y\)

Finally, replace y with x to obtain the inverse equation as follows;

\(y = \log_{6}(-3x)\)

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If the half-life of cesium-137 is 30 years, find the decay constant, r. (Round your answer to nine decimal places.)

Answers

Answer:

r = 0.023104906

Step-by-step explanation:

Given half life = T = 30 yrs.

Decay constant = r.

Using the decay constant formula:

\(r=\frac{\ln2}{T}\\r=\frac{\ln2}{30}\\r=0.023104906\)

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5. GARDENING Jane needs to buy mulch
for the garden with the dimensions
shown in the figure. For how much area
does Jane need to buy mulch? Round to
the nearest tenth.
5.5 yd

Answers

Answer:

The dimensions of the garden are not provided in the question, so it is not possible to determine the area for which Jane needs to buy mulch. Without knowing the dimensions, there is not enough information to answer the question.

Step-by-step explanation:

5-3+78 divided by 3=

Answers

Answer:

26 remainder 2

Step-by-step explanation:

5 - 3 =2

2 + 78 = 80

80 ÷ 3

3 can go into 8 twice remaining with 2

2 goes across to 0

3 can go into 20 6 times because 3×6= 18

so 3 into 20 is 6 remainder of 2

answer= 26 remainder of 2

Answer:

\(= 26 \frac{3}{2} \\ \)

Step-by-step explanation:

\(5 - 3 + 78 \div 3 \\ 2 + 78 \div 3 \\ 80 \div 3 \\ = 26 \frac{3}{2} \)

hope this helps you

Choose the algebraic expression that represents the area of a triangle that has a base 8 inches less than 2 times wider than the height.

Answers

The algebraic expression for the area is:

A = (2H - 8)*H/2

How to write the algebraic expression?

Here we want to write the expression:

"the area of a triangle that has a base 8 inches less than 2 times wider than the height."

Remember that for a triangle of base B and height H, the area is:

A = B*H/2

So if the base is 8 inches less than 2 times the height, we can write:

B = 2*H - 8

Replacing that in the area equation we get:

A = (2H - 8)*H/2

That is the equation for the area.

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For the equation f(x) = 1.1 * (0.44) ^ x state the initial value C, the growth or decay factor a, and percent change R for each unit increase in x

c = (Type an integer or a decimal)

a = (Type an integer or a decimal)

R = % (Simplify your answer. Type an integer or a decimal)

Answers

The parameters of the exponential function in this problem are given as follows:

c = 1.1.a = 0.56.R = -56%.

What is an exponential function?

The standard format of an exponential function is given as follows:

y = c(1 - a)^t.

This is the case for a decaying exponential function, and the meaning of each parameter is given as follows:

c is the initial value, value assumed by y when t = 0.a is the decay rate.

In this problem, the function is given as follows:

f(x) = 1.1(0.44)^x.

Hence the values for the parameters are given as follows:

c = 1.1, which is the initial value.a = 0.56, as 1 - a = 0.44 -> a = 0.56.

Then the percent of change is of -56%, as it is a decaying exponential function with a = 0.56.

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what is the inequality of this and step by step explanation please

what is the inequality of this and step by step explanation please

Answers

The inequality graphed on the number line can be written as:

-3 ≤ x < 2

How to identify the inequality?

Here we can see an inequality graphed on a number line, we can see that we start with a closed circle at x = -3

A closed circle means that x = -3 is a solution.

And we can see that it ends with an open circle at x = 2, the open circle means that the point is not a solution.

Then the inequality thati is shown in the number line is written as:

-3 ≤ x < 2

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Tien reads for 45 minutes each night before going to bed. Which expression will
calculate her total reading time (in minutes) in 3 nights?

Answers

Answer:

135 !!!!!!!!!!!!

Step-by-step explanation:

Your welcome!!!

of 30 students, 1/3 play sports. of those who play sports,2/5 play soccer. How many students play soccer?

Answers

Answer: 4

Step-by-step explanation:

1 third of 30 is 10 and 2/5s of 10 is 4

A party store recorded recent balloon sales. green 20 blue 17 pink 12 purple 19 orange 7 What is the experimental probability that the next balloon sold will be green? Write your answer as a fraction or whole number.

Answers

The experimental probability of the next balloon sold being green is 4/15.

Probability is a crucial concept in the field of mathematics that is used to measure the likelihood of an event happening.

According to the information given, the number of green balloons sold is 20, and the total number of balloons sold is the sum of all the colors, which is:

20 + 17 + 12 + 19 + 7 = 75

Now we can use these numbers to calculate the experimental probability of a green balloon being sold:

Experimental probability of a green balloon being sold = Number of green balloons sold / Total number of balloons sold

Experimental probability of a green balloon being sold = 20 / 75

Experimental probability of a green balloon being sold = 4/15

This means that if we randomly select a balloon from the store, the likelihood of it being green is 4 out of 15 or approximately 0.27 or 27%.

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Answer:

4/15

Step-by-step explanation:

Simplify the expression. 641/3

Answers

Answer:213.7

Step-by-step explanation:

Simplify the expression. 641/3

what is the time in Nigeria WHOEVER GETS IT ROGHT I WILL GIVE YOU BRAINLIEST​

Answers

It is currently 7:55pm in Nigeria

Answer:

7:55 PM

hope this helps

have a good day :)

Step-by-step explanation:

Mr Davis buys a 4 pizza for a family dinner. He cuts each pizza into sixths. How many pieces of pizza does Mr.Davis have for the family dinner?

Answers

Answer: 24 pieces of pizza

Step-by-step explanation:

If you have one pizza and cut that into 6 pieces (which is what it means by sixths) that means you have 6 pieces per pizza. Since you have 4 pizzas and 6 slices each that means you multiply 4 by 6 to get the answer. Which ends up being 24 pieces.

Mr. Davis has 24 pieces of pizza for the family dinner.

What is an expression?

In mathematics, an expression is a combination of symbols and numbers that represent a mathematical quantity or relationship.

It can consist of variables, constants, operators, and functions, and may include arithmetic operations, exponents, and other mathematical operations.

We always combine the like terms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.com

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

To find the total number of pizza slices, we need to first determine the total number of slices in one pizza, and then multiply that by the number of pizzas.

Since each pizza is cut into sixths, there are 6 slices in one pizza.

So,

For 4 pizzas, the total number of slices is:

Total number of slices

= 4 x 6 = 24

Thus,

Mr. Davis has 24 pieces of pizza for the family dinner.

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Use the diagram to answer the question below.
Points A, B, and C are collinear.
True
False

Use the diagram to answer the question below.Points A, B, and C are collinear.TrueFalse

Answers

Answer:

I think it's a true

I hope it's helps you

What is 5x6 + (5x5-5) to the 2nd power

Answers

Answer: 2500

Step-by-step explanation: If you calculate out 5x6 that equals 30 and 5x5-5 equals 20, when you do 30+20 that equals 50 and 50 to the 2nd power is 50x50 and that would equal 2500

What is m∠ABC?
A
180°

B
10°
C
90°

D
40°

What is mABC?A 180B 10C 90D 40

Answers

Answer:

180

Step-by-step explanation:

It’s a right angle, so the answer is C. 90 degrees

For the pyramid below draw the net and then calculate its total surface area using your net. ( picture is uploaded)​

For the pyramid below draw the net and then calculate its total surface area using your net. ( picture

Answers

The total surface area of the pyramid from the net is 286 square cm

Calculating the total surface area from the net

To calculate the total surface area of a pyramid from its net, you need to add up the areas of all its faces.

The net of a pyramid is a two-dimensional representation of the pyramid, where the edges of the net represent the edges of the pyramid.

In this case, the nets are

Rectangle of: 10 by 7Pair of triangles of: 10 by 12.5, 7 by 13

Using the above as a guide, we have the following:

Area = 10 * 7 + 2 * (1/2 * 10 * 12.5 + 1/2 * 7 * 13)

Evaluate

Area = 286

Hence, the surface area is 286 square cm

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8. What is the solution to l + (-3) = 9?
A. l = 6
B. l = 12
C. l = -12
D. l = -6

Answers

It might be b I think

please solve this....​

please solve this....

Answers

Answer:

I believe that's the solution!

sorry for my letters...

please solve this....

How many degrees Fahrenheit is -3°C?​

Answers

Answer:

26.6°

Step-by-step explanation:

Answer: 26.6

Step-by-step explanation:

All you have to do i search the answer. They will give it to you automatically

How do you solve literal equation:u=x-k, solve for x12am=4, solve for aa-c=d-r, solve for a

Answers

In order to solve a literal equation, we just need to isolate the chosen variable in one side of the equation. So we have:

\(\begin{gathered} u=x-k \\ u+k=x \\ x=u+k \\ \\ 12am=4 \\ a=\frac{4}{12m} \\ a=\frac{1}{3m} \\ \\ a-c=d-r \\ a=d-r+c \end{gathered}\)

can someone help me please

here is the picture

can someone help me pleasehere is the picture

Answers

The functions, f(x) , and g(x), indicates that we get;

(a) (f ○ g)(x) = 3/(x + 3)

(b) The domain is; -∞ < x < ∞, x ≠ -3

What is a function?

A function is a rule, law or definition of the relationship that maps an input variable to an output value.

The functions in the question are;

\(f(x) = \frac{x}{x + 2}\)

\(g(x) = \frac{6}{x}\)

(a) The composite function, (f ○ g)(x), can be found as follows;

(f ○ g)(x) = f(g(x))

Therefore;

\((f\circ g)(x) = \frac{\frac{6}{x} }{\frac{6}{x} +2} =\frac{\frac{6}{x} }{\frac{6+ 2\cdot x}{x}}\)

\((f\circ g)(x) = \frac{\frac{6}{x} }{\frac{6+ 2\cdot x}{x}} = \frac{6}{x} \times \frac{x}{6 + 2\cdot x}\)

\(\frac{6}{x} \times \frac{x}{6 + 2\cdot x} = \frac{3}{x + 3}\)

Therefore;

(f ○ g)(x) = 3/(x + 3)

(b) The domain, which is the set of the possible values of the input variable can be found as follows;

(f ○ g)(x) = 3/(3 + x), at x = -3, we get;

(f ○ g)(x) = 3/(3 - 3) ∞

Therefore, the composite function is not defined at x = -3

The composite function is defined for other values of x, which indicates that we get;

The domain is; x| x ∈ R, x ≠ -3

The above interval can be expressed as; -∞ < x < -3 and -3 < x < ∞

Domain; -∞ < x  < ∞, x ≠ -3

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I am having trouble can someone help me please

I am having trouble can someone help me please

Answers

Answer:

mutlaply all of them then davide by 18 then u got ur answer

Step-by-step explanation:

It’s 3 because a triangle is 2 equal sides and one side that is double the other side divide 6 by 2 and it is 3

The number of students in a chess club decreased from 26 to 15. What is the percent decrease? Round your answer to the nearest percent.

Answers

Answer:

42%

Step-by-step explanation:

26 - 15 = 11

Take your decrease and divide it by the original price:

11/26 = 0.4230

Multiply 0.4230 by 100 to find the percent:

42.3

Round your answer and you would get -

42%

Answer:

42%

Step-by-step explanation:

You divide 15 by 26 and get 0.5769 and it continues with other numbers. to the nearest percent is 58. Then you subtract it from 100 and get 42%.

Question 10
Three students in the Math Club are analyzing the expressions (10x+8) and (x+13) + 3(x+5) for all values of x. Each student
claims the expressions are related according to the results in the table. Which student is correct?
Student 1 (10x+8)
Student 2(10x +¹8) >
Student 3 (10x+8)
=
<
Student Select Choice is correct.
-(x+13) + 3(x+5)
-(x+13) + 3(x+5)
-(x+13) + 3(x+5)

Answers

1/4(10x+8)= -(1/2x+13) + 3(x+5) being examined by three Math Club members for all possible values of x.

Given that,

The formulas 1/4(10x+8) and -(1/2x+13) + 3(x+5) are being examined by three Math Club members for all possible values of x. According to the findings in the table, each student asserts that the expressions are connected.

We have to find which student is right.

Take the

1/4(10x+8) = 10/4x+8/4 = 5/2x+2

-(1/2x+13) + 3(x+5) = -1/2x-13+3x+15 = 5/2x+2

So, 1/4(10x+8)= -(1/2x+13) + 3(x+5)

Therefore, 1/4(10x+8)= -(1/2x+13) + 3(x+5) being examined by three Math Club members for all possible values of x.

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PLA ANWSERRR ITS EASY BUT PLS SHOW WORKKKK

PLA ANWSERRR ITS EASY BUT PLS SHOW WORKKKK

Answers

Answer:

200 lbs

Step-by-step explanation:

Divide the total cost of the two books which is 50 by the current price for aluminum which is 0.25.

50/0.25=200

200 lbs yuhhhhhhhhhhh

Drew has two cats. One cat weighs 17 pounds, and the other one weighs 12 1/2 pounds. Audrey’s dog weighs 33 pounds. What is the difference in ounces between Audrey’s dog and the combined weights of Drew’s cats?

Answers

Answer:  3.5 pounds

Step-by-step explanation:

17+12.5=29.5

33-29.5=3.5

4 ft
He wants to cover the entire model, including the base, with
gray paper.
How many square feet of paper will he need to cover the
model?

4 ftHe wants to cover the entire model, including the base, withgray paper.How many square feet of paper

Answers

The square feet of paper that will cover the model is 56 ft squared.

How to find the surface area of a pyramid?

The model above is a square base pyramid. Therefore, the square feet of papers he will need to cover the model is the surface area of the model.

Therefore,

surface area of the square base pyramid = A + 1 / 2 ps

where

A  = surface area of the pyramidp = perimeter of the bases = height of the pyramid

Therefore,

p = 4 × 4 = 16 ft

s = 5 ft

A = 4² = 16 ft²

Therefore,

surface area of the square base pyramid = 16 + 1 / 2 × 16 × 5

surface area of the square base pyramid = 16 + 40

surface area of the square base pyramid = 56 ft²

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You would like to have $20,000 to use a down payment for a home in five years by making regular, end-of-month deposits into an annuity that pays 6% interest compounded monthly.

How much should you deposit each month?

Round your answer to the nearest cent. Do not include the dollar sign in the answer box below.

Answers

The amount that should be deposited monthly is $286.66.

What is a monthly deposit?

The monthly deposit is the periodic payment into an investment account that earns interest at a compound rate.

The monthly deposit can be determined using an online finance calculator.

N (# of periods) = 60 months (5 years x 12)

I/Y (Interest per year) = 6%

PV (Present Value) = $0

FV (Future Value) = $20,000

Results:

Monthly Deposit = $286.66

Sum of all periodic deposits = $17,199.36

Total Interest = $2,800.64

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Which of the following statements are true? Check all of the boxes that apply.
f(x) = 2√x has the same domain and range as f(x)=√x
f(x) = -2√x has the same domain and range as f(x)=√x
f(x) = -√x has the same domain as f (x)=√x, but a different range.
f(x)=√x has the same domain as f(x)=√x, but a different range
0 0 0 0
DONE ✔
Intro
15 of 19

Answers

The correct statements regarding the domain and the range of the functions are given as follows:

f(x) = 2√x has the same domain and range as f(x)=√xf(x) = -√x has the same domain as f (x)=√x, but a different range.

How to obtain the domain and range of a function?

The domain of a function is defined as the set containing all the values assumed by the independent variable x of the function, which are also all the input values assumed by the function.The range of a function is defined as the set containing all the values assumed by the dependent variable y of the function, which are also all the output values assumed by the function.

For the square root function, we have that:

The domain is x >= 0.The range is y >= 0.

Hence if we multiply the function by a negative number, the domain of the function remains constant, but the range is changed.

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