Based on the activity time estimates, the expected times for each of the activities are (round your responses to two decimal places):

Based on the activity time estimates, standard deviation for each of the activities is (enter your responses rounded to two decimal places):

A renovation of the gift shop at Orlando Amway Center has six activities (in hours). In the following table, the estimates of a, m, and b times for each of the activities are listed: a m b Activity A B 10 28 20 41 18 18 16 32 18 12 18 20 D 7 17 E F 19 21 23 16