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Author Question: A population proportion is to be estimated from the sample described. Approximate the 95% confidence ... (Read 41 times)

K@

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Question 1

A population proportion is to be estimated from the sample described. Approximate the 95% confidence interval. Round your answer to four decimal places, if necessary.

Sample size = 3025, sample proportion = 0.89
◦ 0.8718 < p < 0.8898
◦ 0.882 < p < 0.898
◦ 0.8898 < p < 0.8902
◦ 0.8786 < p < 0.9014

Question 2

A population proportion is to be estimated from the sample described. Approximate the 95% confidence interval. Round your answer to four decimal places, if necessary.

A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 520 college students showed that 16% of them had, or intended to, cheat on examinations. Find the 95% confidence interval.
◦ 0.1373 < p < 0.1827
◦ 0.1278 < p < 0.1922
◦ 0.1161 < p < 0.2039
◦ 0.1586 < p < 0.1614


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Marked as best answer by K@ on Jan 18, 2020

katieost

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K@

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Reply 2 on: Jan 18, 2020
Thanks for the timely response, appreciate it


cici

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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