An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 140Ib and 201Ib. The new population of pilots has normally distributed weights with a mean of 149 Ib and a standard deviation of 28.2 Ib. PLease explain how you got the answer.b. If 30 different pilots are randomly selected, find the probability that their mean weight is between 140Ib and 201Ib.
This question was answered on: Sep 21, 2023
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