Question: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 150 lb and 211 lb.

An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 150 lb and 211 lb. The new population of pilots has normally distributed weights with a mean of 159lb and a standard deviation of 33.7lb.If a pilot is randomlyselected, find the probability that his weight is between 150 lb and 211 lb.

The probability is approximately

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