Find the indicated mean. A classical example of the Poisson distribution involves the number of deaths caused by horse kicks to men in the Prussian Army between 1875 and 1894. Data for 4 corps were combined for the 20-year period, and the 80 corps-years included a total of 52 deaths. Suppose the Poisson distribution will be used to find the probability that a randomly selected corps-year has more than 4 deaths. Find the mean of the appropriate Poisson distribution (the mean number of deaths per corps-year). Round your answer to the nearest hundredth. 13 0.65 1.54 2.6
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