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A new policy of flex hours is proposed. Random sampling showed that 28 of 50 female workers favored the change, while 22 of 50 male

A new policy of "flex hours" is proposed. Random sampling showed that 28 of 50

female workers favored the change, while 22 of 50 male workers favored the change.

Management wonders if there is a difference between the two groups. What is the test

statistic to test for a zero difference in the population proportions?

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