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3. The life expectancy of a laptop terminals is normally distributed with a mean of 4 years and a standard deviation of 10 months. What is the probability that a randomly selected terminal will last more than 5 years? a. b. What percentage of terminals will last between 5 and 6 years? What percentage of terminals will last less than 4 years? с.

3. The life expectancy of a laptop terminals is normally distributed with a mean of 4 years and a standard deviation of 10 months. What is the probability that a randomly selected terminal will last more than 5 years? a. b. What percentage of terminals will last between 5 and 6 years? What percentage of terminals will last less than 4 years? с.

MATLAB: An Introduction with Applications
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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3. The life expectancy of a laptop terminals is normally distributed with a mean of 4 years and a standard deviation of 10 months. What is the probability that a randomly selected terminal will last more than 5 years? a. b. What percentage of terminals will last between 5 and 6 years? What percentage of terminals will last less than 4 years? с. d. What percentage of terminals will last between 2.5 and 4.5 years? е. If the manufacturer guarantees the terminals for 3 years (and will replace them if they malfunction), what percentage of terminals will be replaced?
Transcribed Image Text:3. The life expectancy of a laptop terminals is normally distributed with a mean of 4 years and a standard deviation of 10 months. What is the probability that a randomly selected terminal will last more than 5 years? a. b. What percentage of terminals will last between 5 and 6 years? What percentage of terminals will last less than 4 years? с. d. What percentage of terminals will last between 2.5 and 4.5 years? е. If the manufacturer guarantees the terminals for 3 years (and will replace them if they malfunction), what percentage of terminals will be replaced?
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