MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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According to a poll taken in a certain country, when adults were asked whether they were thriving, struggling, or suffering,
193
out of
440
said they were struggling.a. What is the value of
p,
the sample proportion that say they are struggling?b. Check the conditions to determine whether you can apply the CLT to find a confidence interval.
c. Find a 95% confidence interval for the population proportion that say they are struggling.
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