. . _ st :72.39'y,21.72 of30 _ Homework: Practice Final Exam ( Questron1o,6.4.17-T cm @ I t Fall 2020 (so) 15pts ExCrd Part2 ow > gmpiims; 0.33 0H An engineer is going to redesign an ejection seat for an airplane. The seat was designed for V: has normally distributed weights with a mean of 149 lb and a standard deviation of 29.4 lb. \" Click here to View page 1 of the standard normal distribution. Click here to view page 2 of the standard normal distribution. \\ pilots weighing between 140 lb and 191 lb. The new population of pilots " @ a. If a pilot is randomly selected, nd the probability that his weight is between 140 lb and 191 lb. 4.v~::77 The probability is approximately to 5&1 (Round to four decimal places as needed.) L b. If 40 different pilots are randomly selected, nd the probability that their mean weight is between 1210 lb and 191 lb. a... The probability is approximately D (Round to four decimal places as needed.)