Data from 14 cities were combined for a 20-year period, and the total 280 city-years included a total of 77 homicides. After finding the mean number of homicides per city-year, find the probability that a randomly selected city-year has the following numbers of homicides, then compare the actual results those expected by using the Poisson probabilities: Homicides each city-year Actual results a. 0 213 b. 1 58 c. 2 8 d. 3 1 e. 4 0

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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P(0)=?
P(1)=?
P(2)=?
P(3)=?
P(4)=?

Data from 14 cities were combined for a 20-year period, and the total 280 city-years included a total of 77 homicides. After finding the mean number of
homicides per city-year, find the probability that a randomly selected city-year has the following numbers of homicides, then compare the actual results to
those expected by using the Poisson probabilities:
Homicides each city-year
Actual results
a. 0
213
b. 1
58
c. 2
8
d. 3
1
e. 4
0
Transcribed Image Text:Data from 14 cities were combined for a 20-year period, and the total 280 city-years included a total of 77 homicides. After finding the mean number of homicides per city-year, find the probability that a randomly selected city-year has the following numbers of homicides, then compare the actual results to those expected by using the Poisson probabilities: Homicides each city-year Actual results a. 0 213 b. 1 58 c. 2 8 d. 3 1 e. 4 0
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