The heights of adult women in the United States are approximately normally distributed with a mean of (b)_ 65.33inches and a standard deviation of (c) 2.66inches.

9.	According to the Empirical Rule (68-95-99.7 Rule),if a vehicle only accommodates people who are between (d) 57.35 and 73.31inches tall, what percentage of adult women in the United States will fit?
10.	According to the Empirical Rule (68-95-99.7 Rule),what heights would the vehicle have to accommodate in order to fit the middle 68% of adult women in the United States? State the lowest and highest heights.
11.	What percentage of adult women in the United States have a height of less than (e) 65.33inches?