A survey found that womens heights are normally distributed with the mean 62.4 inches and a standard deviation 3.5 inches the survey also found that mens heights are normally distributed with mean 67.8 in and standard deviation of 3.7 in consider an executive jet that seats six with a doorway height of 55.7 in

A. What percent of adult mem can fit through the door without bending? ________

B. Does the door design with a height of 55.7 in appear to be adequate?

C. What doorway height would allow 40% of men to fit without bending?