This is a Gamma Distrib with alpha = 3.5 and beta = 1.5

The book says the solution is 228.4 though. I don't understand why I am wrong.

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- Apr 9th 2011, 10:45 AMdwsmithExpected value

This is a Gamma Distrib with alpha = 3.5 and beta = 1.5

The book says the solution is 228.4 though. I don't understand why I am wrong. - Apr 9th 2011, 12:26 PMTKHunny
You seem a little confused on some notation and some algebra.

1) ? Too much denominatoring going on in there. Try .

2) Just a couple of misconstrued items. You should get:

This is a tough place to be having an algebra breakdown. Be more careful.