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Graph the probability distribution function

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Reference no: EM132150408

Given the probability distribution function:

x 0 1 2

Probability 0.25 0.50 0.25

a. Graph the probability distribution function.

b. Calculate and graph the cumulative probability distribution.

c. Find the mean of the random variable X.

d. Find the variance of X.

Reference no: EM132150408

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