the pdf of gamma distribution is [e^(-y/a)*(y/a)^(n-1)] / (a*(n-1)!)

I'm trying to find P(Y>5) by integration the pdf from 5 to Infinity but it doesn't work out well...

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- Jun 2nd 2010, 03:40 AMgodaiintegration of pdf of gamma distribution
the pdf of gamma distribution is [e^(-y/a)*(y/a)^(n-1)] / (a*(n-1)!)

I'm trying to find P(Y>5) by integration the pdf from 5 to Infinity but it doesn't work out well... - Jun 2nd 2010, 05:48 AMmr fantastic
See the cdf given here Gamma distribution - Wikipedia, the free encyclopedia for why you're probably having trouble ....