“The Ace Wrecking Company operates a large fleet of trucks. These trucks averageone call for mechanical service every 4 hours. Trucks generate revenue for Ace at therate of $20 per hour. Ace’s ace mechanic Thumbs Swenson, cost the company $12per hour in wages, finges and equipment. Thumbs was found to average 20 minutes on a truck without thelp from the truck driver (2hours per truck with the truck drivers help)Assuming M/M1:FCFS/8/8 model:a. What is the probability of 0,1 or 2 trucks in need of repair at any one time?

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