Verify that the following function is a probability mass function, and determine the requested probabilities. [Give exact answers in form of fraction.] f(x) = (3/4)(1/4)^x , x = 0,1,2,... (a) P(X = 2) = (b) P(X <= 2) = (c) P(X > 2) = (d) P(X >= 1) =
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Step 1: Given function is a probability mass function as it satisfies the properties of a PMF: f(x) >= 0 for all x, and the sum of f(x) for all possible values of x is equal to 1. Show more…
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