According to the National Health Statistics Report, the average height of adult women in the U.S. is
What percent of women are under
ft in. tall?
First, note that
ft in. must be converted to inches.
Most girls reach their adult height by their senior year in high school. In North City High School’s class of
senior students, how many girls would you expect to be shorter than ft in.? (Note: Assume half of the senior students are girls.)
by the percentage found in part (a).
How many senior girls do you expect to be taller than
ft at North City High?
Follow the same steps you used in parts (a) and (b).