8.5 Send data to Excel Notice that one joker said that he sleeps 24 hours a day. Part: 0 / 3 Part 1 of 3 (a) The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct a 90% confidence interval for the mean amount of sleep from the remaining values. Round the answers to two decimal places. V A 90% confidence interval for the mean amount of sleep from the remaining values is X