1. Shelby Axelle is a mechanic at Chromium Mechanics Inc. Shelby is responsible for the maintenance of 20 trucks in a fleet. These trucks require maintenance and/or break down once every 14 days. It usually takes Shelby 6 hours to fix everything on any given truck. What is the probability that less than 16 trucks are operating (i.e. not waiting to be repaired)?

   	a.	12.02%
   	b.	24.81%
   	c.	35.11%
   	d.	47.13%