Traffic Accidents The county highway department recorded the following probabilities for the number of accidents per day on a certain freeway for one month. The number of accidents per day and their corresponding probabilities are shown. X 0 1 2 3 4 PX 0.3 0.1 0.1 0.1 0.4 Find the mean. Round your answer to one decimal place as needed. Mean:μ= Find the variance. Round your answer to one decimal place as needed. Variance: σ^2= Find the standard deviation. Round your answer to one decimal place as needed. Standard deviation: σ=
Traffic Accidents The county highway department recorded the following probabilities for the number of accidents per day on a certain freeway for one month. The number of accidents per day and their corresponding probabilities are shown. X 0 1 2 3 4 PX 0.3 0.1 0.1 0.1 0.4 Find the mean. Round your answer to one decimal place as needed. Mean:μ= Find the variance. Round your answer to one decimal place as needed. Variance: σ^2= Find the standard deviation. Round your answer to one decimal place as needed. Standard deviation: σ=
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Traffic Accidents The county highway department recorded the following probabilities for the number of accidents per day on a certain freeway for one month. The number of accidents per day and their corresponding probabilities are shown.
|
X
|
0
|
1
|
2
|
3
|
4
|
|
PX
|
0.3
|
0.1
|
0.1
|
0.1
|
0.4
|
Find the mean. Round your answer to one decimal place as needed.
| Mean:μ=
|
Find the variance. Round your answer to one decimal place as needed.
| Variance: σ^2=
|
Find the standard deviation. Round your answer to one decimal place as needed.
| Standard deviation: σ=
|
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