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21-11-2022
Mathematics

Answered

the automatic opening device of a military cargo parachute has been designed to open when the parachute is 200 meters above the ground. suppose opening altitude has a normal distribution with expected value 200 meters and standard deviation 30 meters. equipment damage will occur if the parachute opens at an altitude of less than 100 meters. find the probability that there is equipment damage to the payload of at least one of five independently dropped parachutes.

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