1. A poll of 275 adults in the Boston area shows that 157 will watch the Super B
ID: 2983341 • Letter: 1
Question
1. A poll of 275 adults in the Boston area shows that 157 will watch the Super Bowl (even if the Patriots are not in it). Use this information to construct a 95% confidence interval for the proportion of adults in the Boston area that will watch the Super Bowl.
Based on this confidence interval, would it be feasible to say that more than 50% of the adults in the Boston area will watch the Super Bowl? (and tell me why or why not)
2. A survey of 125 high school seniors shows that 59.2% intend to apply to a 4 year college. Use this information to construct a 90% confidence interval for the percentage of high school seniors that intend to apply to a 4 year college.
3. A survey of 90 adults between the ages of 50 and 70 shows that 21 have had some type of joint replacement. Use this information to construct a 99% confidence interval for the proportion of adults between the ages of 50 and 70 that have had some type of joint replacement.
Explanation / Answer
www.surveysystem.com/sscalc.htm
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.