Question: Independent random samples, each containing 70 observations, were selected from two populations. The samples from populations 1 and 2 produced 32 and 20 successes, respectively.

Independent random samples, each containing 70 observations, were selected from two populations. The samples from populations 1 and 2 produced 32 and 20 successes, respectively.

TestH0: (p1p2)=0againstHa: (p1p2)0. Use=0.04

What is the test statistic?

What is the p value?

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