UsableStats: The random variable x has the following probability distribution. x 1 2 3 4 5

Question 335:

Asked on August 10, 2008

The random variable x has the following probability distribution.

x 1 2 3 4 5
P(x) 0.5 0.2 0.1 0.1 0.1

Find the mean and standard deviation of x.

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