A total of 300 observatio ns o f Bob R amos, an assembly-line worker, were made over a 40-hour workweek. The sample a lso showed that Bob was busy working (assembling theparts) during 250 observations.a) Find the percentage of time Bob was working.b) If you want a confidence level of95%, and if ±3% is an acceptable error, what size should the sample be?c) Was the sample size adequate?
A total of 300 observatio ns o f Bob R amos, an assembly-line worker, were made over a 40-hour workweek. The sample a lso showed that Bob was busy working (assembling theparts) during 250 observations.a) Find the percentage of time Bob was working.b) If you want a confidence level of95%, and if ±3% is an acceptable error, what size should the sample be?c) Was the sample size adequate?
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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A total of 300 observatio ns o f Bob R amos, an assembly-line worker, were made over a 40-hour workweek. The sample a lso showed that Bob was busy working (assembling the parts) during 250 observations. a) Find the percentage of time Bob was working. b) If you want a confidence level of95%, and if ±3% is an acceptable error, what size should the sample be? c) Was the |
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