The distribution of weights for 12 month old baby boys in the USis approximately normal with mean 22.5 pounds and a standarddeviation of 2.2 pounds. a. if a 12 month old boy weights 20.3pounds, what weight percentile is he in approximately. b. if a 12month old boy is in the 84th percentile in weight, estimate hisweight. c. Estimate the weight of a 12 month old boy who is in the25th percentile by weight. d. Estimate the weight of a 12 month oldboy who is in the 75 percentile by weight.
