A survey found that womens heights are normally distributed with mean 62.9 in. And standard deviation 3.9in. The survey also found that mens heights are normally distributed with mean 67.1 in. And standard deviation 3.1 in. Consider an executive jet that seats six doorway height of 5.6 in. What doorway height would allow 40% of men to fit without bending? The doorway height that would allow 40% of men to fit without bending is (?) in. (Round to one decimal place as needed)