Question

8. In a recent survey of 1002 people, 701 said that they voted in a recent presidential election. Voting records show that 61% of eligible voters actually did vote.
Find the 95% confidence interval estimate of the proportion of people who say that they
voted.
b) Are the survey results consistent with the actual voter turnout of 61%? Why or why not?
c) How would the confidence interval change if we increased the confidence level to 99%? Find
the 99% confidence interval estimate to support your answer.

Answer 1

Answer:

Voting records show that 61% of eligible voters actually did vote.

Find the 95% confidence interval estimate of the proportion of people who say that they

voted.

b) Are the survey results consistent with the actual voter turnout of 61%? Why or why not?

c) How would the confidence interval change if we increased the confidence level to 99%