Question: Please show all work and type out the answers. Depending upon the usage of the cell phone, the useful life of a cell phone is

Please show all work and type out the answers. Depending upon

Please show all work and type out the answers.

Depending upon the usage of the cell phone, the useful life of a cell phone is normally distributed with a mean of 2 years and a standard deviation of 4 months. What is the probability that a random person would find the cell phone of no use after 12 months? (40)

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