Assume a binomial model for a certain random variable

Statistics Sep 09, 2020

Assume a binomial model for a certain random variable. If we desire a 90% confidence interval for p that is at most 0.02 in length, find n. 2. It is known that a random variable X has a Poisson distribution with parameter μ. A sample of 200 observations from this distribution has a mean equal to 3.4. Construct an approximate 90% confidence interval for μ.