State the null hypothesis Ho and the alternative hypothesis Ha
State the null hypothesis, Ho, and the alternative hypothesis, Ha, that would be used to test these claims:
a. There is no difference between the proportions of men and women who will vote for the incumbent in next month’s election.
b. The percentage of boys who cut classes is greater than the percentage of girls who cut classes.
c. The percentage of college students who drive old cars is higher than the percentage of noncollege people of the same age who drive old cars.
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