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teger so it is certainly not normal. a. Let X be the mean number of accidents per week at the intersection during a year (52 weeks). What is the approximate distribution of X? b. What is the approximate probability that X is less than 2? c. What is the approximate probability that there are fewer than 100 accidents at the intersection in a year?

teger so it is certainly not normal. a. Let X be the mean number of accidents per week at the intersection during a year (52 weeks). What is the approximate distribution of X? b. What is the approximate probability that X is less than 2? c. What is the approximate probability that there are fewer than 100 accidents at the intersection in a year?

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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1. The number of accidents per week at a hazardous intersection varies with mean 2.2 and standard deviation 1.4. The distribution takes only integer values (so it is discrete) and is skewed to the right, so it is certainly not normal. a. Let X be the mean number of accidents per week at the intersection during a year (52 weeks). What is the approximate distribution of X? b. What is the approximate probability that X is less than 2? c. What is the approximate probability that there are fewer than 100 accidents at the intersection in a year?
Transcribed Image Text:1. The number of accidents per week at a hazardous intersection varies with mean 2.2 and standard deviation 1.4. The distribution takes only integer values (so it is discrete) and is skewed to the right, so it is certainly not normal. a. Let X be the mean number of accidents per week at the intersection during a year (52 weeks). What is the approximate distribution of X? b. What is the approximate probability that X is less than 2? c. What is the approximate probability that there are fewer than 100 accidents at the intersection in a year?
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