(05.05 MC) The number of minutes of commercials shown per h…
(05.05 MC) The number of minutes of commercials shown per hour was determined 12 times at random. The results are 14, 13, 15, 11, 17, 18, 11, 14, 17, 18, 15, and 13 minutes of commercials shown per hour. Construct a 98% confidence interval for the mean number of minutes of commercials shown per hour. (4 points)