Solve the problem. A bank\'s loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected, find the percentage of applicants with a rating that is between 170 and 220. ?A. 7.03% ?B. 38.11% ?C. 22.57% ?D. 15.54% Solution P(170.