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1. A newspaper reported on the topics that teenagers most want to discuss with their parents. The findings, the results of a poll, showed that 46% would like more discussion about the family's financial situation, 37% would like to talk about school, and 30% would like to talk about religion. These and other percentages were based on a national sampling of 508 teenagers. Estimate the proportion of all teenagers who want more family discussions about school. Use a 99% confidence level.

   	A.	0.63 0.055
   	B.	0.37 0.002
   	C.	0.63 0.002
   	D.	0.37 0.055

2. A random sample of 4000 U.S. citizens yielded 2250 who are in favor of gun control legislation.

   Estimate the true proportion of all Americans who are in favor of gun control legislation using a

   90% confidence interval.

   	A.	0.4375 0.0129
   	B.	0.5625 0.0129
   	C.	0.5625 0.4048
   	D.	0.4375 0.4048

3. A local men's clothing store is being sold. The buyers are trying to estimate the percentage of items that are outdated. They will choose a random sample from the 100,000 items in the store's inventory in order to determine the proportion of merchandise that is outdated. The current owners have never determined the percentage of outdated merchandise and cannot help the buyers. How large a sample do the buyers need in order to be 95% confident that the margin of error of their estimate is about 5%?

   	A.	385
   	B.	1537
   	C.	196
   	D.	769

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