Data from 14 cities were combined for a 20-year period, and the total 280 city-years included a total of 143 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 а. О b. 1 с. 2 d. 3 e. 4 Actual results 167 87 22 4 a. P(0) = (Round to four decimal places as needed.) %3D

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