Question: MATH JULY Q2 (DO NOT COPY IRRELEVANT WORK FROM OTHER PEOPLE) 2. [-/5 Points] DETAILS ASWMSCI15 11.E.003. ASK YOUR TEACHER Willow Brook National Bank operates

MATH JULY Q2 (DO NOT COPY IRRELEVANT WORK FROM OTHER PEOPLE)

MATH JULY Q2 (DO NOT COPY IRRELEVANT WORK FROM

2. [-/5 Points] DETAILS ASWMSCI15 11.E.003. ASK YOUR TEACHER Willow Brook National Bank operates a drive-up teller window that allows customers to complete bank transactions without getting out of their cars. On weekday momings, arrivals to the drive-up teller window occur at random, with an arrival rate of 30 customers per hour or 0.5 customers per minute. Let's assume that the service times for the drive-up teller follow an exponential probability distribution with a service rate of 45 customers per hour, or 0.75 customers per minute. Determine the following operating characteristics for the system. (Round your answers to four decimal places.) (a) The probability that no customers are in the system (b) The average number of customers waiting (c) The average number of customers in the system (d) The average time (in min) a customer spends waiting min (e) The average time (in min) a customer spends in the system min (f) The probability that arriving customers will have to wait for service MY NOTES Need Help? Read It PRACTICE ANOTHER

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