Mathematics, 13.04.2021 02:30, isaiahst573

A roller coaster is being designed that will accommodate 60 riders. The maximum weight the coaster can hold safely is 12,000 pounds. According to the National Health Statistics Reports, the weights of adult U. S. men have mean 189 pounds and standard deviation 63 pounds, and the weights of adult U. S. women have mean 165 pounds and standard deviation 76 pounds. a. If 60 people are riding the coaster, and their total weight is 12,000 pounds, what is their average weight?
b. If a random sample of 60 adult men ride the coaster, what is the probability that the maximum safe weight will be exceeded?
c. If a random sample of 60 adult women ride the coaster, what is the probability that the maximum safe weight will be exceeded?

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A roller coaster is being designed that will accommodate 60 riders. The maximum weight the coaster c...