Joey is opening a coffee shop and he needs to decide how many baristas he should staff. He did some analysis of other coffee shops and he determined that this is an M/M/s system. He expects customers to arrive at the rate of 6 per minute and the service rate will be 3 customers per minute per barista. He estimates the cost of waiting Cwto bee60 and the cost of service Cs will bee14 per hour per barista. (a) What is the minimum number of servers this system must have? (b) What number of servers will minimise the total cost.
Joey is opening a coffee shop and he needs to decide how many baristas he should staff. He did some analysis of other coffee shops and he determined that this is an M/M/s system. He expects customers to arrive at the rate of 6 per minute and the service rate will be 3 customers per minute per barista. He estimates the cost of waiting Cwto bee60 and the cost of service Cs will bee14 per hour per barista. (a) What is the minimum number of servers this system must have? (b) What number of servers will minimise the total cost.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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