Verify that this is a valid probability distribution

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Question - The probability distribution for a discrete random variable X is given by the formula.

p(x) = x(x+1)/112   x = 1, 2, . . . , 6

a. Verify that this is a valid probability distribution.

b. Find P(X = 4).

c. Find P(X > 2).

d. Find the probability that X takes on the value 3 or 4.

e. Construct the corresponding probability histogram.

Reference no: EM131745607

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