Statistics Question
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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Expert Solution
Step 1
Mean weight of Red Angus Cows: M = 1109 lbs
Standard deviation of Red Angus Cows: SD = 31 lbs
Comparing The Standard Normal Distribution with the given information
| given labels |
new labels weight of cows (in lbs) |
Corresponding 3 Sigma limits |
| -3 | 1016 | M - 3 SD |
| -2 | 1047 | M - 2 SD |
| -1 | 1078 | M - SD |
| 0 | 1109 | M |
| 1 | 1140 | M + SD |
| 2 | 1171 | M + 2 SD |
| 3 | 1202 | M + 3 SD |
Step 2
From the normal probability density graph, 95% of the value lies in between
that is between 1047 lbs and 1171 lbs.
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