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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 6 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
The real estate assessor for a county government wants to study various characteristics of single-family houses in the county. A random sample of 70 houses reveals the following: • Heated area of the houses (in square feet): • 42 houses have central air-conditioning. X = 1,759, S = 380. ;0.035 ;2 X = 15.3 S = 3.8 a. Construct a 99% confidence interval estimate for the population mean heated area of the houses. b. Construct a 95% confidence interval estimate for the population proportion of houses that have central air-conditioning
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