Question 19 - Question 20 is based on this problem: standard deviation of 0.2 days. On average, how much time (in days) transpires from the time a terminal breaks down to the time it is repaired (i.e. functions normally again). 0.14170.54170.63280.28331.0833 a number different from all the above Question 20 efficiency can be saved by being able to repair 14 terminals a week.) $82.16 $98.43 $126.33 $130.98 $146.04 $163.82 a value different from all the above