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According to the Bureau of Census, 66% of single female households and 81.9% of single male households own cars. Assume that these estimates are based

According to the Bureau of Census, 66% of single female households and 81.9% of single male households own cars. Assume that these estimates are based on random samples of 1 640 single female households and 1 800 single male households. Determine a 99% confidence interval for the difference between the two population proportions.

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