Mathematics, 03.04.2020 19:17 sabdbndk

Use the normal distribution to find a confidence interval for a difference in proportions p1-p2 given the relevant sample results. Assume the results come from random samples. A 99% confidence interval for p1-p2 given that p^1=0.20 with n1=40 and p^2=0.35 with n2=80

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