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Mathematics, 18.03.2020 06:10 4804341040

An engineer is going to redesign and ejection seat for an airplane. The seat was designed for pilots weighing between 130 pounds and 181 pounds. the new population of pilots have a normal distribution weight with a mean of 140 pounds and a standard deviation of 30.2 pounds.
A. The probability is approximately?
B. If 36 different pilots are randomly selected find the probability that their mean weight is between 130Ibs and 181 Ibs
The probability is approximately?

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