A barista at Starbucks serves customers standing in the queue one by one. Suppose that the service time X; for customer
Posted: Thu Feb 17, 2022 10:58 am
A barista at Starbucks serves customers standing in the queue one by one. Suppose that the service time X; for customer i has mean E[X) = 5 (minutes) and Var(X;) = 2. We assume that service times for different customers are independent. Let Y be the total time the barista spends serving 50 customers. Find P(Y < 265). (Instruction: Answer should be entered to four decimal places. For example, if your answer is "1.230067" then enter "1.2300" in the answer box.) Answer: