Harry Potter Listed below are the gross amounts (in millions of dollars) earned from box office receipts for the movie Harry Potter and the Half-Blood Prince. The movie opened on a Wednesday, and the amounts are listed in order for the first 14 days of the movie’s release. Use the sample values to construct a 99% confidence interval estimate of the population mean. Identify at least one major problem with this data set. 58 22 27 29 21 10 10 8 7 9 11 9 4 4.