In a survey of 18-year-old males, the mean weight was 169.5 pounds with a standard deviation of 51.9 pounds. (a) What weight represents the 90th percentile? (b) What weight represents the 44th percentile? (c) What weight represents the first quartile? (a) pounds (Round to one decimal place as needed.) (b) pounds. (Round to one decimal place as needed.) (c) pounds. (Round to one decimal place as needed.)