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(Solved): The time (in hours) required to repair a machine is a gamma random variable with parameters ...



The time (in hours) required to repair a machine is a gamma random variable with parameters ? = 2 and ? = 2.
a) Find the probability that the repair time of a machine exceeds 2 hours.
b) If there are independent 40 machines to be repaired in a shop, approximate the probability that for the majority of the machines, repair times exceed 2 hours.4. The time (in hours) required to repair a machine is a gamma random variable with parameters \( \alpha=2 \) and \( \beta=2

4. The time (in hours) required to repair a machine is a gamma random variable with parameters \( \alpha=2 \) and \( \beta=2 \). a) Find the probability that the repair time of a machine exceeds 2 hours. b) If there are independent 40 machines to be repaired in a shop, approximate the probability that for the majority of the machines, repair times exceed 2 hours.


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SOLUTION : Given that Let X the time required to repair a machine X ~ gamma ( =2, =2) a) Probability that the repair time of a machine exceeds 2 hours
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