Customers enter the camera department of a store at the average rate of five per hour.The department is staffed by one employee, who takes an average of 4.0 minutes toserve each arrival. Assume this is a simple Poisson arrival, exponentially distributedservice time situation. Use Exhibit 10.9.a-1. As a casual observer, how many people would you expect to see in the cameradepartment (excluding the clerk)? (Round your answer to 2 decimal places.)Number of peoplea-2. How long would a customer expect to spend in the camera department (total time)?(Round your answer to 1 decimal place.)Average total timeb. What is the utilization of the clerk? (Round your answer to 1 decimal place.)Utilizationminutesc. What is the probability that there are more than two people in the cameradepartment (excluding the clerk)? (Round your intermediate calculations to 3decimal places and final answer to 1 decimal place.)Probability%d. Another clerk has been hired for the camera department who also takes an averageof five minutes to serve each arrival. How long would a customer expect to spend inthe department now? (Round your answer to 1 decimal place.)Average total timeminutes

Customers enter the camera department of a store at the average rate of five per hour. The…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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DLP projectors are used in the majority of cinema projection systems and require a special light bulb to display a picture. Assume that the average life of a DLP bulb is 2,000 hours and that this failure time follows the exponential distribution. Answer the following questions, performing all computations with Excel functions.
A doctor prescribes 100 milligrams of a therapeutic drug that decays by about 20% eachhour (ie. after 1 hour, 20% of the drug is gone). Assume the quantity of the drug is modeled by anexponential equation. What is the half-life of the drug? Please use a calculator to compute the finalanswer and round down to two decimal places.
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Customers enter the camera department of a store at the average rate of five per hour. The department is staffed by one employee, who takes an average of 4.0 minutes to erve each arrival. Assume this is a simple Poisson arrival, exponentially distributed -ervice time situation. Use Exhibit 10.9.