For a class project, a political science student at a large university wants to estimate the percent of students who are registered voters. He surveys 500 students and finds that 300 are registered voters.

(a) Find the point estimate of the population proportion.

(b) Compute a 90% confidence interval for the true percent of students who are registered voters. Round the confidence interval to the nearest thousandth if necessary. (0.1245 would be entered as 0.125)

Lower CI

Upper CI

(c) Find the margin of error

Margin of Error