(American Vending Part A) American Vending supplies vended food to a large university. Because students often kick the machines out of anger and frustration, management has a constant repair problem. The machines break down in a mean of 1/3 hours with a standard deviation of 1/3 hours. One repair worker can service one machine in a mean of 1/5 hours with a standard deviation of 1/5 hours. Currently, three repair workers are hired. (American Vending Part A) (a) On average, ___ machines break down in one hour. [Answer format: integer] (b) On average, a worker repairs ___ machines in one hour. [Answer format: integer] Write your answer(s) as 1, 2.