W1 and W2 are discrete random variables (and are independent) with probability functions:
p1(w1) = 1/6 for w1 = −2 ,−1 , 0
p2(w2) = 1/4 for w2 = 1, 6
Let Y = W1 + W2
a).
Find the MGF of W1, W2 and Y
b).
USE RESULTS IN PREVIOUS PART to determine the probability mass function of Y
W1 and W2 are discrete random variables (and are independent) with probability functions: p1(w1) = 1/6...
W1 and W2 are discrete random variables (and are independent) with probability functions: p1(w1) = 1/6 for w1 = −2 ,−1 , 0 p2(w2) = 1/4 for w2 = 1, 6 Let Y = W1 + W2 Find the distribution and probability mass function of Y (Hint: First find MGF of W1 and W2 and then find MGF of Y)
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