Question: a) A certain type of storage battery lasts on average, 3.0 years, with a standard deviation of 5 years. Assuming that battery life is normally

a) A certain type of storage battery lasts on average, 3.0 years, with a standard

deviation of 5 years. Assuming that battery life is normally distributed, find the

probability that a given battery will last less than 2.3 years.

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