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this is the question 13. (6pt) The length of time (in months) that a cashier works for a certain fast food restaurant is exponentially distributed

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13. (6pt) The length of time (in months) that a cashier works for a certain fast food restaurant is exponentially distributed With a mean of 7 months. a. Find the probability that a cashier works for the restaurant for at least 2 years. b. Find the probability that a cashier works for the restaurant for less than 1 month

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