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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
1.A survey by Accountemps asked a sample of 200 executives to provide data on the numberof minutes per day office workers waste trying to locate mislabeled, misfiled, or misplaceditems. Data consistent with this survey are contained in the data file ActTemps.a. Use ActTemps to develop a point estimate of the number of minutes per day officeworkers waste trying to locate mislabeled, misfiled, or misplaced items.b. What is the sample standard deviation?c. What is the 95% confidence interval for the mean number of minutes wasted per day?2.. Mileage tests are conducted for a particular model of automobile. If a 98% confidence intervalwith a margin of error of 1 mile per gallon is desired, how many automobiles shouldbe used in the test? Assume that preliminary mileage tests indicate the standard deviationis 2.6 miles per gallon.
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