operations research question

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A district is served by Taxi company. The company owns 4 Toxis, calls arrive to the company's dispatching office at the rate of 16 per hour. The average time per ride is 10 minutes, Colls arrive according to a Poisson distribution, and the ride time is exponential. 5. If Po= 0.06, Then the average number of colls waiting to be served by any available taxi is: a less than or equal to 0.5 b. Greater than 0.5 and less than or equal to 0.75 c. Greater than 0.75 and less than or equal to 1.00 d. Greater than 100 A district is served by Taxi company. The company owns 4 Taxis, calls arrive to the company office at the rate of 16 per hour. The average time per ride is 10 minutes. Calls arrive accordin distribution, and the ride time is exponential. The owner was advised by a friend that one wa waiting time is for the dispatching office to inform new customers of potential excessive dela list reaches 5 customers. Under this proposal, the average effective arrival rate per hour (An) 0.52 b. Greater than 2 and s to 16 c. Greater than 16 and s 20 d. Greater than 20 Clear my choice