MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) through (c) below.
Number of Accidents
Daily (X)
P(X=X₁)
0
0.30
1
0.32
2
0.19
3
0.08
4
0.06
5
0.04
6
0.01
a. Compute the mean number of accidents per day.
H =
(Type an integer or a decimal. Do not round.)
b. Compute the standard deviation.
0=
(Type an integer or decimal rounded to three decimal places as needed.)
c. What is the probability that there will be at least 2 accidents on a given day?
P(x ≥ 2) =
(Type an integer or a decimal. Do not round.)
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Transcribed Image Text:The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) through (c) below. Number of Accidents Daily (X) P(X=X₁) 0 0.30 1 0.32 2 0.19 3 0.08 4 0.06 5 0.04 6 0.01 a. Compute the mean number of accidents per day. H = (Type an integer or a decimal. Do not round.) b. Compute the standard deviation. 0= (Type an integer or decimal rounded to three decimal places as needed.) c. What is the probability that there will be at least 2 accidents on a given day? P(x ≥ 2) = (Type an integer or a decimal. Do not round.)
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