Hpw donyou get the answer 0.82?

10. Molly earned a score of 940 on a national achievement test. The mean test score was 850 with a standard deviation of 100. What percentage of students had a higher score than Molly? (Assume that test scores are normally distributed.) (a) 0.10 (b) 0.18 (c) 0.82 (d) 0.90