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A survey of 100 Americans found that 68% said they find it hard to buy holiday gifts that convey their true feelings. How large a sample is needed to estimate the true proportion of Americans who struggle with buying gifts within 2% with 90% confidence? (Include Units!)

A survey of 100 Americans found that 68% said they find it hard to buy holiday gifts that convey their true feelings. How large a sample is needed to estimate the true proportion of Americans who struggle with buying gifts within 2% with 90% confidence? (Include Units!)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please answer question 3
d. If tne confiuence leveis were 997UTatner tman U0 20, WOuld tnc IIlurgim Or cn than the result in part (a)? 3. A survey of 100 Americans found that 68% said they find it hard to buy holiday gifts that convey their true feelings. How large a sample is needed to estimate the true proportion of Americans who struggle with buying gifts within 2% with 90% confidence? (Include Units!) and their mean leng ually Joss the the n 129 contradict ths ca
Transcribed Image Text:d. If tne confiuence leveis were 997UTatner tman U0 20, WOuld tnc IIlurgim Or cn than the result in part (a)? 3. A survey of 100 Americans found that 68% said they find it hard to buy holiday gifts that convey their true feelings. How large a sample is needed to estimate the true proportion of Americans who struggle with buying gifts within 2% with 90% confidence? (Include Units!) and their mean leng ually Joss the the n 129 contradict ths ca
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