As a community service members of the Mu Alpha Theta fraternity are going to pick up cans from along a roadway. A Poisson mean 60 members sh

As a community service members of the Mu Alpha Theta fraternity are going to pick up cans from along a roadway. A Poisson mean 60 members show up for work. 2/3 of the workers are enthusiastic and will pick up a mean of ten cans with a standard deviation of 5. 1/3 of the workers are lazy and will only pick up an average of three cans with a standard deviation of 2. Find the mean and standard deviation of the number of cans collected.
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