5. Is lack of sleep causing traffic fatalities? A study conducted under the auspices of the National Highway Traffic Safety Administration found that the average number of fatal crashes caused by drowsy drivers each year was 1550 (Business Week, January 26, 2015). Assume the annual number of fatal crashes per year is normally distributed with a standard deviation of 300 and a mean of 1550.
5. Is lack of sleep causing traffic fatalities? A study conducted under the auspices of the National Highway Traffic Safety Administration found that the average number of fatal crashes caused by drowsy drivers each year was 1550 (Business Week, January 26, 2015). Assume the annual number of fatal crashes per year is normally distributed with a standard deviation of 300 and a mean of 1550.
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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1. What is the probability of the number of fatal crashes will be between 1000 and 2000 for a year?
2. For a year to be in the top 2.5% of the distribution with respect to the number I’d fatal crashes, how many fatal crashes would have to occur?
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