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A certain type of battery manufactured by a Company named Subarashi Corporation lasts, on average, 3.0 years with a standard deviation of 0.5 year. Assuming

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A certain type of battery manufactured by a Company named Subarashi Corporation lasts, on average, 3.0 years with a standard deviation of 0.5 year. Assuming that the battery life is normally distributed, nd the probability that a given battery will last less than 2.3 years. [5 pts]

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