(Step-by-Step) An elevator has a design capacity of 2,560 pounds and a posted limit of 16 passengers. The weight of adults is approximately normal with





Question: An elevator has a design capacity of 2,560 pounds and a posted limit of 16 passengers. The weight of adults is approximately normal with a mean of 150 pounds and standard deviation of 20 pounds.

(a) Find the probability that the elevator will be overloaded if 16 people are in the elevator.

(b) How many passengers would you recommend if you wanted to be sure that the overloading probability is less than 0.001?

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