1. According to the Pew Research Center, in 2014 63% of people were absolutely certain that God exists. What would be the margin of error of a 95% confidence interval if the sample size was 65?
a. 10.8%
b. 5%
c. 13%
d. 11.7%
2. Which of the following is true?
a. The lower the level of confidence the larger the margin of error
b. The smaller the sample size the larger the margin of error
c. The larger the sample size the larger the margin of error
d. The larger the margin of error the more precise the estimate