Data from 14 cities were combined for a 20 year period and

Last updated: 1/5/2023

Data from 14 cities were combined for a 20 year period and the total 280 city years included a total of 149 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 P 0 0 5873 Round to four decimal places as needed b P 1 0 3125 Round to four decimal places as needed c P 2 0 0841 Round to four decimal places as needed a 0 165 b 1 87 c 2 23 d 3 4 e 4 1