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A mechanic at johnsons shop is able to install new mufflers at an average rate of 3 per hour.according to a negative exponential distribution.Customers seeking his service arrie at the shop on the average of 2 per hour,following a poisson distribution.they are serves on a first in a,first out and come from a very large population of possible buyers. What is the percentage of time the mechanic is busy in servicing the cars? 33.33 % 66.66 % O 64.6 % 36.4 %

A mechanic at johnsons shop is able to install new mufflers at an average rate of 3 per hour.according to a negative exponential distribution.Customers seeking his service arrie at the shop on the average of 2 per hour,following a poisson distribution.they are serves on a first in a,first out and come from a very large population of possible buyers. What is the percentage of time the mechanic is busy in servicing the cars? 33.33 % 66.66 % O 64.6 % 36.4 %

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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A mechanic at johnsons shop is able to install new mufflers at an average rate of 3 per hour.according to a negative exponential distribution.Customers seeking his service arrie at the shop on the average of 2 per hour, following a poisson distribution.they are serves on a first in a,first out and come from a very large population of possible buyers. What is the percentage of time the mechanic is busy in servicing the cars? 33.33 % 66.66 % 64.6 % 36.4 %
Transcribed Image Text:A mechanic at johnsons shop is able to install new mufflers at an average rate of 3 per hour.according to a negative exponential distribution.Customers seeking his service arrie at the shop on the average of 2 per hour, following a poisson distribution.they are serves on a first in a,first out and come from a very large population of possible buyers. What is the percentage of time the mechanic is busy in servicing the cars? 33.33 % 66.66 % 64.6 % 36.4 %
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