A CBS News poll asked 606 randomly selected women and 442 randomly selected men, Do you think
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A CBS News poll asked 606 randomly selected women and 442 randomly selected men, “Do you think putting a special tax on junk food would encourage more people to lose weight?” 170 of the women and 102 of the men said “Yes.” A 99% confidence interval for the difference (Women – Men) in the true proportion of people in each population who would say “Yes” is −0.020 to 0.120. Does the confidence interval provide convincing evidence that the two population proportions are equal? Explain your answer.
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