Vrify that the function fx 3414x x 0 1 2 is a

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Verify that the function f(x) = (3/4)(1/4)^x, x = 0, 1, 2,... is a probability mass function. Determine the requested probabilities:

(a) P(X = 2)

(b) P(X <= 2)

(c) P(X > 2)

(d) P(X >= 1)

Then determine the cumulative distribution function for the random variable.

Reference no: EM13639515

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