Question: the question is below 6) The (cumulative) distribution function Fx of X is given by 0, x '6) The (cumulative) distribution function Fx of X

the question is below

6) The (cumulative) distribution function Fx of X is given by 0, x

'6) The (cumulative) distribution function Fx of X is given by 0, 1 2 3' 4 1, 1. 1 (a) Calculate and plot the probability mass function of X. (b) Find the expectation and variance of X.

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