A survey conducted by the commussion on higher education of 1404 respondents found that 323 students paid for their education via sponsorship. Find the 90% confidence of the true proportion of students who paid for their education by sponsorship.

a. The point estimate (round to 2 decimal places)
b. The associated z-score
c. The standard error is approximately (round to 2 decimal places)
d. The confidence coefficient (round to 4 decimal places)
e. The lower confidence limit (round to 4 decimal places)
f. The upper confidence limit is (round to 2 decimal places)​