The time x it takes to reboot a certain system has gamma

The time X it takes to reboot a certain system has Gamma distribution with E(X) = 20 min and Std(X) = 10 min.

(a) Compute parameters of this distribution.

(b) What is the probability that it takes less than 15 minutes to reboot this system?

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The time x it takes to reboot a certain system has gamma : the time x it takes to reboot a certain system has gamma distribution with ex 20 min and stdx 10 min.a compute

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