Question

A Monster.com poll of 3057 individuals asked: “What’s the longest vacation you plan to take this summer?” The following relative frequency distribution summarizes the results.
Response Relative Frequency
A few days............... 0.21
A few long weekends.......... 0.18
One week............... 0.36
Two weeks............... 0.22
a. Construct the 95% confidence interval for the proportion of people who plan to take a one-week vacation this summer.
b. Construct the 99% confidence interval for the proportion of people who plan to take a one-week vacation this summer.
c. Which of the two confidence intervals is wider?



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  • CreatedJanuary 28, 2015
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