Question: (a) A probability distribution of a discrete random variable Y is given by P(M = m) = t(m + 1)? for m = 1,2,3,4 where

(a) A probability distribution of a discrete random variable Y is

(a) A probability distribution of a discrete random variable Y is given by P(M = m) = t(m + 1)? for m = 1,2,3,4 where m is a constant value (i) Determine the value of t. (3 marks) (ii) Calculate the expected value and variance of M. (5 marks) iii) Find P(M

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