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.
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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