# an engineer is going to redesign an ejection seat for an airplane the seat was designed for Pilots weighing 150 lb and 191 lb the new population of Pilots has normally distributed weights with a mean...

an engineer is going to redesign an ejection seat for an airplane the seat was designed for Pilots weighing 150 lb and 191 lb the new population of Pilots has normally distributed weights with a mean of 158 lb and a standard deviation of 33.9 pounds if a pilot is randomly selected find the probability that his weight is between 150 lb and 191 lb ..the probability is approximately ? If 33 different Pilots are randomly selected find the probability that their mean weight is between 150 lb and 191 lb...the probability is approximately ?when redesigning the ejection seat which probability is more relevant?

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