A large grocery store is attempting to staff its check-out registers. Currently, the arrival rate is...

 

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A large grocery store is attempting to staff its check-out registers. Currently, the arrival rate is A = 320 customers per hour, each server has a service time of E [7] = 3.75 minutes on average, and the interarrival and service times follow an exponential distribution. What is the distribution of the service time T? O a. T-Exponential(20) Ob. T-Exponential(3.75) CT-Exponential(16) Od. T-Exponential(320) Clear my choice What is the marginal probability that a customer's service time will be greater than three minutes (0.05 hours), that is P (T> 0.05)? Oa. 0.83 b. 0.64 OC 0.45 d. 0.37 A large grocery store is attempting to staff its check-out registers. Currently, the arrival rate is A = 320 customers per hour, each server has a service time of E [7] = 3.75 minutes on average, and the interarrival and service times follow an exponential distribution. What is the distribution of the service time T? O a. T-Exponential(20) Ob. T-Exponential(3.75) CT-Exponential(16) Od. T-Exponential(320) Clear my choice What is the marginal probability that a customer's service time will be greater than three minutes (0.05 hours), that is P (T> 0.05)? Oa. 0.83 b. 0.64 OC 0.45 d. 0.37

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