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  1. M

    Can you use the same data twice to construct a confidence interval?

    A while ago I was asked the following question: What is with a 95% probability the maximum number of defects, given a population of size N=800 of which we inspected n=100 and found k=0 defects. I constructed a confidence interval based on the assumption of a binomial distribution and gave...
  2. M

    Reaching a 95% Confidence level within an estimated population.

    How can I reach a 95% Confidence level after estimating the population size? I have a population of 367 products of which I have a sample of 50. Products can have a damaged package or can be damaged itself. We know for a fact that products can only be damaged if the package is damaged. From the...