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PLEASE COMPUTE THIS IN R! I KNOW HOW TO SOLVE AND I KNOW THE ANSWERS BUT I DON'T KNOW HOW TO SOLVE IT USING R.

Problem 1 (8 points total,4 points each part) Probability mass function of X is as follows: f (ac) = x +1 20 , xx = 0, 1, 2, 3, 4, 5 where 0 is a constant. (a) Find 0 such that f(.) is a valid pmf. (b) Calculate E(X), 62, and o

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