A random variable X has poisson distribution with parameter u(greek letter mu). A sample of 200 observations from this distribution has a mean equal to 3.4. Construct an approximate 90% confidence interval for u.
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A random variable X has poisson distribution with parameter u(greek letter mu). A sample of 200 observations from this distribution has a mean equal to 3.4. Construct an approximate 90% confidence interval for u.
Please post your work so far, we can help from there.Quote:
Originally Posted by zami
I"m not sure how to construct an interval for a Poisson distribution.
so far i have
p(x)= (µ^x e(-µ))/x! with µ=3.4 also the z value at 90% is 1.282
Where do I go from there?