Let X1 and X2 be a random sample of size n = 2 from a

Chapter 5, Problem 6E

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QUESTION:

Problem 6E

Let X1 and X2 be a random sample of size n = 2 from a distribution with pdf f (x) = 6x(1 − x), 0 < x < 1. Find the mean and the variance of Y = X1 + X2.

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QUESTION:

Problem 6E

Let X1 and X2 be a random sample of size n = 2 from a distribution with pdf f (x) = 6x(1 − x), 0 < x < 1. Find the mean and the variance of Y = X1 + X2.

ANSWER:

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Given;

 

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