Refrigerators have a mean life of 15 years with a standard deviation of 1.5 years. Assuming that the life of refrigerators is normally distributed, then the majority of refrigerators will have lifetimes in what range? Hint: Use the Empirical Rule. O 10.5 to 19.5 years O 12 to 16.5 years O 13.5 to 16.5 years
Refrigerators have a mean life of 15 years with a standard deviation of 1.5 years. Assuming that the life of refrigerators is normally distributed, then the majority of refrigerators will have lifetimes in what range? Hint: Use the Empirical Rule. O 10.5 to 19.5 years O 12 to 16.5 years O 13.5 to 16.5 years
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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Step 1
Empirical Rule:
- 68% of values lies between one standard deviation from the mean, μ±σ
- 95% of values lies between two standard deviation from the mean, μ±2σ
- 99.7% of values lies between three standard deviations from the mean, μ±3σ.
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