The Random Variable A Has The Following Probability Distribution A 1 2 3 4 5 P A

The random variable A has the following probability distribution:50.1a. Find the mean and standard deviation of A.b. How much of the probability distribution is within 2 standard deviations of the mean?c. What is the probability that A is between µ-2σ and µ+2σ?

The random variable A has the following probability distribution:A 1 2 3 4 5P(A) 0.6 0.1 0.1 0.1 0.1a. Find the mean and standard deviation of A.b. How much of the probability distribution is…

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