A survey asked a random sample of n=2752 US adults whether they had visited a public...

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 shown in the following Table.

Gender	Yes	No	Total
Females	726	697	1423
Males	505	824	1329
Total	1231	1521	2752

A) Find pf and Pm, the sample proportions who have visited a public library in the last 12 months, for females and males respectively. What is the difference in samle proportions Pf-Pm?

B) Find a 95% confidence interval for the difference in population proportions Pf-Pm.

c) Can we conclude from the confidence interval that there is a difference in the proportion? if so, are males or females more likely to visit the public library?

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orchestra answered 1 year ago

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