A survey is commissioned to study the weight ofNFL players at certain positions. Of the 188 activeNFL running backs, a simple random sample of size16 is selected and the sample mean is determined tobe = 219.3 pounds. It is known that the standarddeviation is = 6.8 pounds. Compute a 99%confidence interval for u.223.664219.3 1.091219.33.332219.34.379

The following information has been provided: The sample size is n=16. The sample mean is x¯=219.3.…

Answered: A survey is commissioned to study the…

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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QUESTION 18 A multiple-choice quiz has 100 questions each with 5 possible answers of which only 1 is correct. Using Normal approximation, the probability that a sheer guesswork yields from 20 to 25 correct answers% D 0.9154 O 0.4503 0.4651 0.0846
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