A recent survey of 3,057 individuals asked: "What's the longest vacation you plan to take this summer?" The following relative
frequency distribution summarizes the results. (You may find it useful to reference the z table.)
Relative Frequency
0.21
0.18
0.36
0.22
Response
A few days
A few long weekends
One week
Two weeks
a. Construct the 95% confidence interval for the proportion of people who plan to take a one-week vacation this summer. (Round final
answers to 3 decimal places.)
Confidence interval
to
b. Construct the 99% confidence interval for the proportion of people who plan to take a one-week vacation this summer. (Round final
answers to 3 decimal places.)
Confidence interval
to