Internet users were recently asked online to rate their satisfaction with the web browser they use most frequently. Of 102,519 respondents, 65,120 indicated they were very satisfied with the web browser they use most frequently.

a. What is the point estimate for the proportion of Internet users who are very satisfied with the web browser they use most frequently?

b. Using 95% confidence, what is the margin of error?

c. Using the results from part (a) and part (b), develop the 95% confidence interval estimate of the proportion of Internet users who are very satisfied with the web browser they use most frequently.