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) Battery life of cars is normally distributed with a mean of 60,000 hours and a standard deviation of 4,000 hours. A test of 25 batteries were
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Battery life of cars is normally distributed with a mean of 60,000 hours and a standard deviation of 4,000 hours. A test of 25 batteries were selected to check for

defects. What is the probability that a mean that the battery lasts is between 59,575 and 61,250 hours? A. 0.2385 B. .7024 C. 1.00 D. 0.6433
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