SOLUTION: The time it takes to assemble a car in a certain plant is normally distributed with a mean of 20 hours and a variance of 4 hours squared. Find the probability that a car can be as
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Question 1194236: The time it takes to assemble a car in a certain plant is normally distributed with a mean of 20 hours and a variance of 4 hours squared. Find the probability that a car can be assembled at this plant between 18 and 25 hours inclusive. Answer by ikleyn(52824) (Show Source):
