Question: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 130 lb and 181lb. The

An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 130 lb and 181lb. The new population of pilots has normally distributed weights with a mean of

136lb and a standard deviation of 31.8lb.

a. If a pilot is randomly selected, find the probability that his weight is between 130 lb and 181 lb.

The probability is approximately

enter your response here.

(Round to four decimal places as needed.)

b. b. If 32 different pilots are randomly selected, find the probability that their mean weight is between 130 lb and 181 lb.Part 10 c. When redesigning the ejection seat, which probability is more relevant?

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