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10. Hypothesis Testing for Two Samples
10. Hypothesis Testing for Two Samples / Two Proportions / Problem 2
Problem 2

A company wants to compare the proportion of employees who use public transportation to commute in two of its branches. In Branch A, 8080 out of 200200 employees use public transportation. In Branch B, 110110 out of 220220 employees use public transportation. At the 0.050.05 significance level, test whether the proportions are the same in both branches.