Question: Decide whether the normal sampling distribution can be . if it can be used, test the claim about the difference between two populations p1 and

Decide whether the normal sampling distribution can be . if it can be used, test the claim about the difference between two populations p1 and p2 at the given level of significance a using the given sample statistis. Assume the samples statistics are from independent random samples.

Claim: p1=p2, a=.10

Sample statistics: x1=38, n1=145 and x2=144, n2= 224

C. Find the critical values.

D. Calculate the standardized test statistic.

E. Determine whether the test statistic is in the rejection region.

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