Let N1=40,X1=20, N2=40 AND X2=10. At the 0.01 level of significance, is there evidence of a...

Let N1=40,X1=20, N2=40 AND X2=10.

At the 0.01 level of significance, is there evidence of a significant difference between the two population proportions.

Calculate the test statistic Zstat, based on the difference P1-P2.

A) The test statistic, Zstat is:

B) Calculate the P-value

C) Construct a 95% confidence interval estimate of the difference between the two population proportions.

D) Construct a 99% confidence interval estimate of the difference between the two population proportions.

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Expert Solution

orchestra answered 2 years ago

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