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For a certain type of computers, the length of time between charges of the battery is normally distributed with a mean of 50 hours and

For a certain type of computers, the length of time between charges of the battery is normally distributed with a mean of 50 hours and a standard deviation of 15 hours. If one computer is selected at random, what is the probability that the length of time between charges will be between 50 and 62 hours? Express your answer correct to 4 decimal places. Tables

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