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Given 3 random variables X, Y, Z with mgf: Mx(t) = (1-2t)^-4 My(t) = (1-2t)^-1.5 Mz(t) = (1-2t)^3.5 Suppose W=X+Y+Z, determine E(W^3) The answer is
Given 3 random variables X, Y, Z with mgf:
Mx(t) = (1-2t)^-4
My(t) = (1-2t)^-1.5
Mz(t) = (1-2t)^3.5
Suppose W=X+Y+Z, determine E(W^3)
The answer is 7920, please explain why??
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Differential Equations A Maple™ Supplement
Authors: Robert P Gilbert, George C Hsiao, Robert J Ronkese
2nd Edition
1000402525, 9781000402520
