Hi, I'll cut to the core of the problem that I had. The answer involves converting two gamma distributions to normal distributions and then adding the two normal distributions using the additive property of the normal distribution. What i did was to add the two gamma distributions first and then convert to a normal distribution. But this is wrong as the mean and variance are too small. Can I add to gamma distributions? I know that i can add lots of exponential distributions into one gamma. Regards R
