MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Hi, keep coming up with the incorrect problem on my homework and need to know the proper way of solving it. Thanks

James is trying to use the formula \( \hat{p} \pm z^* \sqrt{\frac{\hat{p}(1-\hat{p})}{n}} \) to find a confidence interval for the proportion of men who bought someone flowers for Valentine's Day. He surveyed 800 men and found that 713 of them bought flowers. He would like to use \( z^* = 2.576 \). Find James' confidence interval. You may round to the thousandth.
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Transcribed Image Text:James is trying to use the formula \( \hat{p} \pm z^* \sqrt{\frac{\hat{p}(1-\hat{p})}{n}} \) to find a confidence interval for the proportion of men who bought someone flowers for Valentine's Day. He surveyed 800 men and found that 713 of them bought flowers. He would like to use \( z^* = 2.576 \). Find James' confidence interval. You may round to the thousandth.
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