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Proportion testing using Z test

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N1=436 N2=121
X1=192 X2=40

Assume that you plan to use a significance level of a=.05 to test the claim that P1 = P2. Use the given sample sizes in numbers of success to find p -value.

Solution Summary

Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.