Question: The random variable x has the following probability distribution: a. Find the mean and standard deviation of x. b. What is the probability that x

The random variable x has the following probability distribution:

X 1 2 3 4 5 P(X) 0.6 10 0.1 0.1 0.1

a. Find the mean and standard deviation of x.

b. What is the probability that x is between
and ?

X 1 2 3 4 5 P(X) 0.6 10 0.1 0.1 0.1 0.1

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