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An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 150 lb and 201 lb.

An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 150 lb and 201 lb. The new population of pilots has normally distributed weights with a mean of 160lb and a standard deviation of 34.5 lb (four decimal places)

Probability: If a pilot is randomlyselected, find the probability that his weight is between 150 lb and 201 lb.

Probability: If 36 different pilots are randomlyselected, find the probability that their mean weight is between 150 lb and 201 lb.

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