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Find the standardized test statistic estimate, z to test the hypothesis the p1>p2. Use a=0.01. The sample statistics listed below are from independent samples. N1

Find the standardized test statistic estimate, z to test the hypothesis the p1>p2. Use a=0.01. The sample statistics listed below are from independent samples.

N1 = 100 n2 = 140

X1 = 38 x2 = 50

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