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5 points QUESTION 141. Customers arrive every three minutes governed by a Poisson distribution. A single server is capable of handling 30 customers per hour and this service time is exponentially distributed. What is the likelihood that more than 4 customers are in the system?Answerless than or equal to .1greater than 0.1 but less than or equal to 0.15greater than 0.15 but less than or equal to 0.25greater than 0.25 but less than or equal to 0.32Greater than 0.325 points QUESTION 151. A trucking company has 5 trucks that each requires service at an average rate of once every 40 hours according to an exponential distribution. The firm has a mechanic who needs 5 hours to complete the average job with exponential service times. What is the probability that there will be no trucks in the system?Answerless than or equal to 0.50greater than 0.50 but less than or equal to 0.60greater than 0.60 but less than or equal to 0.70greater than 0.705 points QUESTION 161. A trucking company has 5 trucks that each requires service at an average rate of once every 40 hours according to an exponential distribution. The firm has a mechanic who needs 5 hours to complete the average job with exponential service times. What is the average utilization of the mechanic?Answerless than or equal to 50 percentgreater than 50 percent but less than or equal to 60 percengreater than 60 percent but less than or equal to 70 percentgreater than 70 percent

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