3 years ago

Help pls lollll 10th grade mathematics

Mathematics

1 answer:

Komok [63]3 years ago

4 0

Answer:

I think it's a because

12÷42= 3.5

and

56÷16=3.5

10×3.5=35

Step-by-step explanation:

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A poll was conducted by a home mortgage company regarding home ownership in the United States. The company polled 1,488 American

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If the sample size is 1488 and confidence interval of 99% then the margin of error is 0.03088.

Given sample size of 1488, percentage of those polled own a home be 69% and confidence level be 99%.

We are required to find the approximate margin of error.

Margin of error is the difference between calculated values and real values.

n=1488

p=0.69

Margin of error=z* $\sqrt{p(1-p)/n}$

Z score when confidence level is 99%=2.576.

Margin of error=2.576* $\sqrt{0.69(1-0.69)/1488}$

=2.576* $\sqrt{(0.69*0.31)/1488}$

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Hence if the sample size is 1488 and confidence interval of 99% then the margin of error is 0.03088.

Learn more about margin of error at brainly.com/question/10218601

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