For the survey described in Exercise 1 “Celebrities and the Law,” find the critical value that would be used for constructing a 99% confidence interval estimate of the population proportion.

Exercise 1

Here is a 95% confidence interval estimate of the proportion of adults who say that the law goes easy on celebrities: 0.692 < p < 0.748 (based on data from a Rasmussen Reports survey). What is the best point estimate of the proportion of adults in the population who say that the law goes easy on celebrities?