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Poisson distribution with a mean that is a uniform random variable
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Mar4-10, 01:03 AM
It's been a while since I've taken probability so I'm not sure if I have this right:
Question: "Suppose y|x is poisson with mean x and X ~ Uniform[0,5]. compute Pr[Y>=1]"
Here is what I did: E[Y] = E[E(Y|X)] = E[X] = 2.5 = the parameter for poisson
Pr[Y>=1] = 1 - Pr[Y = 0]
= 1 - e^(-2.5)
Is this right? It seems overly simple so I'm not sure...
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