Question 13 of 25 Which expression should you simplify to find the 90% confidence interval,
given a sample of 65 people with a sample proportion of 0.42?
O A. 0.42 +1.645. V
0.42(1–0.42)
65
O B. 0.42 + 1.645. V0.42(1–0.42)
65
0.42(1-0.42)
O C. 0.42 = 65.7
1.645
D. 0.42 +
EV
1.645-0.12
65