8. Assume that you plan to use a significance level of a = 0.01 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the pooled estimate. n1 56, n2 = 45, x1 =...

Extracted text: 8. Assume that you plan to use a significance level of a = 0.01 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the pooled estimate. n1 56, n2 = 45, x1 = 15, x2 = 23 O 0.376 O 0.779 O 0.587 0.456