The heights of adult men in america are normally distributed, with a mean of 69.8 inches and a standard deviation of 2.69 inches. the heights of adult women in america are also normally distributed, but with a mean of 64.8 inches and a standard deviation of 2.53 inches. a) if a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? z = b) what percentage of men are shorter than 6 feet 3 inches? round to nearest tenth of a percent. % c) if a woman is 5 feet 11 inches tall, what is her z-score (to two decimal places)? z = d) what percentage of women are taller than 5 feet 11 inches? round to nearest tenth of a percent.