A confidence interval was used to estimate the proportion of statistics students who are female. a random sample of 72 statistics students generated the following confidence interval: (-438, 642). using the information above, what sample size would be necessary if we wanted to estimate the true proportion to within 1% using 95% reliability?
a. 9604
b. 9220
c. 9989
d. 9543
a. 9604
b. 9220
c. 9989
d. 9543