Posted by
**Michelle** on
.

Determine the mean and standard deviation of the random variable for which the probability mass function is defined as follows:

P(X=x)= x-2/30 if x=3,12,21

Sunday

March 26, 2017
Posted by
**Michelle** on
.

Determine the mean and standard deviation of the random variable for which the probability mass function is defined as follows:

P(X=x)= x-2/30 if x=3,12,21

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