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02-01-2023
Mathematics

Answered

A discrete random variable X has mean 0, variance 2, and mgf
MX(t) = a (1 + be−2t + 14e−t + 14et + ce2t) , −∞ < t < ∞
(i) Find the values of a, b and c. (ii) What is the distribution of X? Justify your
answer.

Answer :

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