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The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a
The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.
(a) Calculate the probability that a product is assembled in more than 19 minutes.
(b) 15% of the products require more than __________ minutes for assembly.
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