Question: Vacations A U.S. Travel Data Center survey conducted for Better Homes and Gardens of 1500 adults found that 39% said that they would take more vacations this year than last year. Find the 95% confidence interval for the true proportion of adults who said that they will travel more this year.  Edit

Answer: Sample size (n) =1500

Sample proportion (p) = 0.39

z value at 95% con?dence interval =1.96

95% CI
0.39+-1.96*sqrt(0.39(1?0.39)/1500)
=0.39+-0.02468
=[0.365 , 0.415]

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