Mathematics, 05.12.2019 00:31 iamsecond235p318rq
Elevator ride: engineers are designing a large elevator that will accommodate 40 people. the maximum weight theelevator can hold safely is 8120 pounds. according to the national health statistics reports, the weights of adult us. menhave mean 194 pounds and standard deviation 68 pounds, and the weights of adult us. women have mean 164 poundsand standard deviation 77 pounds. a. if 40 people are on the elevator, and their total weight is 8120 pounds, what is their average weight? b. if a random sample of 40 adult men ride the elevator, what is the probability that the maximum safe weight will beexceeded? c. if a random sample of 40 adult women ride the elevator, what is the probability that the maximum safe weight will beexceeded?
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