The city Postal Service office has announced that the customers will not wait more than fiveminutes on average, in line at the post office. They would like to know how many servicewindows should be kept open to keep this promise. Suppose the average service time is 6minutes while the arrival rate is 15 customers per hour. Assume exponential service timesand interarrival times.a) How many service windows should be kept open to maintain this new customer servicepolicy? Assume the following values for Po given s servers:s 2Po 1/7 4/19 40/18134b) What is the expected number of people at the post office if they follow yourrecommendation?

Given information: s 2 3 4 P0 17 419 40181 Arrival time=6 minutesArrival rate=λ=15 costumers…

Answered: The city Postal Service office has…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The Dorben Co. uses a standard hour plan with a base wage of $9/h. It hires an IE consultant to plan a batch production run of 300 units. This consultant has a worker on the line produce 2 units. The first takes 10 min and the second 9.7 min. Assuming that the worker continues to improve her performance, what will she be paid for the full batch of 300 units under the standard hour plan? What is the unit cost for the first unit made? What is the cost for 300th unit? there is already an answer for this question in chegg but it does not explain clearly in steps. I need some clear explanation thnks
In 1980 the population of alligators in a particular region was estimated to be 1400. In 2006 the population had grown to an estimated 5500 Using the Mathusan law for population growth, estimate the alligator population in this region in the year 2020. The alligator population in this region in the year 2020 is estimated to be (Round to the nearest whole number as needed.)
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