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2. (10 points) A survey' asked a random sample of n = 2752 US adults whether they had visited a public library in the last

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2. (10 points) A survey' asked a random sample of n = 2752 US adults whether they had visited a public library in the last 12 months. The results for males and females are show in the table below. Find a 99 percent confidence interval for Pf - Pm, the difference in proportions between females and males. Yes No Total Females 726 697 1423 Males 505 824 1329 Total 1231 1521 2752

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