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Nov 22, 2019 at 1:43 history edited Iosif Pinelis CC BY-SA 4.0
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Nov 22, 2019 at 1:23 comment added Iosif Pinelis I have added normal approximations to the distributions of the two sums.
Nov 22, 2019 at 1:17 history edited Iosif Pinelis CC BY-SA 4.0
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Nov 22, 2019 at 0:37 vote accept William
Nov 21, 2019 at 22:27 history edited Iosif Pinelis CC BY-SA 4.0
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Nov 21, 2019 at 22:22 comment added Iosif Pinelis @AymenKareem : $\text{Gamma}(a,b)$ means the gamma distribution with shape parameter $a$ and scale parameter $b$, so that the mean is $ab$ and the variance is $ab^2$.
Nov 21, 2019 at 17:01 comment added William Thanx losif Pinelis. When you say Gamma(X,Y), does that mean X is the mean and Y is the variance of the Gamma distribution or the shape and rate parameters?
Nov 21, 2019 at 15:10 history edited Iosif Pinelis CC BY-SA 4.0
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Nov 21, 2019 at 13:55 history edited Iosif Pinelis CC BY-SA 4.0
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Nov 21, 2019 at 13:43 history answered Iosif Pinelis CC BY-SA 4.0