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Consider the following discrete probability distribution. x 15223440 P ( X = x ) 0.160.370.260.21 a. Is this a valid probability distribution? Yes/No c. What

Consider the following discrete probability distribution.

x 15223440

P(X=x) 0.160.370.260.21

a.Is this a valid probability distribution?

Yes/No

c.What is the probability that the random variableXis less than 39?(Round your answer to 2 decimal places.)

d.What is the probability that the random variableXis between 9 and 24?(Round your answer to 2 decimal places.)

e.What is the probability that the random variableXis greater than 20?(Round your answer to 2 decimal places.)

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