URGENT!
A sociologist is studying the effect of having children within the first two years of marriage on the divorce rate. Using hospital birth records, she selects a random sample of 200 couples that had a child within the first two years of marriage. Following up on these couples, she finds that 80 couples are divorced within five years. Which of the following is closest to the sample size you would need to estimate with a margin of error of 0.02 with 90% confidence? Use p hat= 0.4 from the first sample as an approximation of p.
a. 3842
b. 2305
c. 600
d. 1624
e. 24