Austin is helping his mom stain their wooden deck shown in the diagram below. Part A. How many square feet of the deck do Austin and his mom need to stain?

Part B. If a can of stain covers 200 square feet, how many cans of stain will they need to buy to cover the entire deck?

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Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297