Question 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.
◦ .37 ± .002
◦ .37 ± .055
◦ .63 ± .002
◦ .63 ± .055
Question 2
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 549 teenagers. Using 99% reliability, can we say that more than 30% of all teenagers want to discuss school with their parents?
◦ Yes, since the values inside the 99% confidence interval are greater than .30.
◦ Yes, since the value .30 falls inside the 99% confidence interval.
◦ No, since the value .30 is not contained in the 99% confidence interval.
◦ No, since the value .30 is not contained in the 99% confidence interval.
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