A bag of 30 tulip bulbs contains 10 red tulip bulbs, 12 yellow tulip bulbs, and 8 purple tulip bulbs. Suppose two tu bulbs are randomly selected without replacement from the bag. (a) What is the probability that the two randomly selected tulip bulbs are both red? (b) What is the probability that the first bulb selected is red and the second yellow? (c) What is the probability that the first bulb selected is yellow and the second red? (d) What is the probability that one bulb is red and the other yellow?

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