Answered: In a simple random sample of 26…

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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In a simple random sample of 26 Kentucky alum, 23 believe that, despite their title dreams falling short in the Final Four in Indianapolis, the 2015 Wildcats are still the greatest team assembled in the 21st century.

Test the hypothesis that more than 81% of Kentucky alum believe that the 2015 Wildcats are the greatest team assembled in the 21st century at the 0.05 level.

The correct conclusion is that we 1. cannot 2.can 3.can maybe ..conclude that 1. exactly 2. more than 3.less than 4. a percentage different ...from 81% of 1. all 2. randomly selected 3. sampled ...Kentucky alum believe that the 2015 Wildcats are the greatest team assembled in the 21st century.

What level of concern do you have for the validity of your results?

Extreme −- we should not use any part of what we've done to make a conclusion
None −- all assumptions are met so there appears to be no problem with the conclusion
Moderate −- the sample size is only 26, but that's likely close enough to 30 for our results to not be completely dismissed
Low −- the only assumption violated (nq0=4.94) misses by a very small margin, so there is minor concern
Either the low or moderate response is acceptable

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