Question: Let x be a discrete random variable with the following probability mass function: pr(X=x)={1/20(x+1),x=1,2,3,4,5 0,elsewhere Compute; 1.E[3x 4 -2x 3 +9] 2.var(x) 3.Determine the cumulative
Let x be a discrete random variable with the following probability mass function:
pr(X=x)={1/20(x+1),x=1,2,3,4,5
0,elsewhere
Compute;
1.E[3x4-2x3+9]
2.var(x)
3.Determine the cumulative distribution of function x.
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