Calculating the true proportion of a group given significance levels and sample size.
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A U.S. Travel Data Center survey of 1500 adults found that 42% of respondents stated that they favor historical sites as vacations. Find the 99% confidence interval of the true proportion of adults who favor visiting historical sites as vacations.© BrainMass Inc. brainmass.com May 24, 2023, 12:56 pm ad1c9bdddf
Assume that the proportion of respondents X~N(a,1). We know the mean X'~N(a,1/1500). N(a,1) is the normal distribution with mean a and ...
This solution finds the 99% confidence interval of the true proportion of adults who favor visiting historical sites as vacations.