Mathematics, 18.03.2020 18:55, Batzs3rdacct

The time it takes a repairman to repair a computer is governed by an exponential distribution with μ = 1 hour and σ = 1 hour. Over the course of a month, the repairman repairs 48 computers. What is the probability that their average repair time exceeds 81 minutes? Assume the distribution is normal.

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The time it takes a repairman to repair a computer is governed by an exponential distribution with μ...