A discrete random variable can assume five possible values: 2,3, 6, 8, and 10. I

Question

A discrete random variable can assume five possible values: 2,3, 6, 8, and 10. Its probability distribution is shown below.

X               2                          3                             6                             8                             10

P(X=x)      .15                    .10                         .25                                                         .25

A.      Find the probability that therandom variable, x, is 8?

B.      What is the probability that xis 6 or 10?

C.      What is the probability that xis at most 6?

D.      What is the probability thex=4?

Explanation / Answer

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