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Gemiola [76]
3 years ago
15

In the past, 26% of all homes with a stay-at-home parent, the father is the stay-at-home parent. An independent research firm ha

s been charged with conducting a sample survey to obtain more current information.(a) What sample size is needed if the research firm's goal is to estimate the current proportion of homes with a stay-at-home parent in which the father is the stay-at-home parent with a margin of error of 0.04? Use a 95% confidence level. (Round your answer up to the nearest whole number.)(b) Repeat part (a) using a 99% confidence level. (Round your answer up to the nearest whole number.)
Mathematics
1 answer:
olga2289 [7]3 years ago
4 0

Answer:

(Round your answer up to the nearest whole number.)(b) Repeat part (a) using a 99% confidence level. (Round your answer up to the nearest whole number.)

Step-by-step explanation:

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bearhunter [10]

Answer

1) (4,6)

2) (5,5)

3) (2,6)

Step-by-step explanation:

4 0
2 years ago
2x -4y=20<br> X=4<br><br> System of equations
Gennadij [26K]

Answer:

Step-by-step explanation:

2(4) - 4y = 20

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3 0
3 years ago
Cheryl is making a mixed fruit drink for a party. She mixes 7 pints each of Apple juice and cranberry juice. How many fluid ounc
bogdanovich [222]
We have that

<span>Cheryl  mixes
</span><span>7 pints of Apple juice
and 
</span>7 pints of <span>cranberry juice

we know that

total mixed fruit drink-----> 7+7-----> 14 pints

1 pint-------> is equals to 16 </span><span>fluid ounces
then
14 pints----------> X
X=14*16-----> x=224 fluid ounces

the answer is 
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3 0
3 years ago
X - y = -2<br> 2x +y = 8
Minchanka [31]

Answer:

4-8=-2

2x+2=8

Step-by-step explanation:

..............................................................................

4 0
2 years ago
A post 8 feet tall casts a shadow 12 feet long at the same time that a flagpole casts a shadow 96 feet long, how tall is the fla
lara [203]

Answer:

64 ft

Step-by-step explanation:

The shadow of the post is 12 feet long. The shadow of the flagpole is 96 feet long.

The shadow of the flagpole is 8 times longer than the shadow of the post.

8 x 8 = 64

8 0
3 years ago
Read 2 more answers
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