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Solve by using inference with two populations In random samples of 250 persons with low incomes and 150 persons with high incomes, there were, respectively,
Solve by using inference with two populations
In random samples of 250 persons with low incomes and 150 persons with high incomes, there were, respectively, 155 and 87 who favor a specific piece of legislation. Use the =:05 significance level to test if the proportion of people in favor of the bill is the same in both groups.
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