Alpha

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Assume that you plan to use a significance level of alpha = 0.05 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the z test statistic for the hypothesis test.

n1 = 155; n2 = 146

x1 = 68; x2 = 59 (Points : 5)

z = 7.466

z = 0.435

z = 0.607

z = 13.865