Let X1, X2, X3, X4 be independent random variables of size 4 from a gamma distribution G(a, X) : - xª r(a) * -1e- -ax with a = 6 and Find the expected value of Y = X1 + X2 + X3 + X4 Answer:

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Let X1, X2, X3, X4 be independent random
variables of size 4 from a gamma distribution
- xª-1e
G(a, X) =
T(a)
e-ax with a = 6 and
Find the expected value of
Y = X1 + X2 + X3 + X4
Answer:
Transcribed Image Text:Let X1, X2, X3, X4 be independent random variables of size 4 from a gamma distribution - xª-1e G(a, X) = T(a) e-ax with a = 6 and Find the expected value of Y = X1 + X2 + X3 + X4 Answer:
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