Assume that the following samples are independent. In a random sample of 400 women, 47% favored health care reform. In a random sample of 300 men, 36% favored health care reform.
Construct a 98% confidence interval for the difference between the population proportions p1 − p2 .
Based on your interval, is there a significant difference between men and women’s opinions on health care reform? Explain.
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