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

ID: 2954479 • Letter: A

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?

b. 0.5 0.25+0.25=0.5 c. 0.5 0.15+0.10+0.25=0.5 d. 0 4 is not a possiblevalue=0

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