Problem 7-13In an initial survey designed to estimate the percentage of time air-express cargo loaders are idle, an analyst found that loaders wereidle in 5 of the 45 observations.a. What is the estimated percentage of idle time? (Round your answer to 2 decimal places. Omit the "%" sign in your response.)Estimated percentage of idle time%b. Based on the initial results, approximately how many observations would you require to estimate the actual percentage of idle timeto within 4 percent with a confidence of 95 percent? (Round your z value to 2 decimal places. Do not round any other Intermediatecalculations. Round UP your final answer to the next whole number.)Number of observations

Plese find the calculation below regarding the percentage of idle time and number of observations.

Answered: Problem 7-13 In an initial survey…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter12: Queueing Models

Section: Chapter Questions

Problem 59P

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