4. Your firm has a contract to make 1000 staff uniforms for a fast -food retailer. The heights of the staff are normally distributed with a meanof 69 inches and a standard deviationof 2 inches. What percentage of uniforms will have to fit staff shorter than 67 inches? What percentage will have to be suitable for staff taller than 73 inches.?
a) 16% & 2.5%
b) 68% & 95%
c) 32% & 5%
According to the empirical rule, the mean height is 69 inches with a standard deviation of 2 inches. 68% of staff will be within +/- 1 standard deviation …
The solution finds the percentage of the staff with height more than 73 inches.