An urn contains three red balls numbered 1, 2, 3, three white balls numbered 4, 5, 6, and four black balls numbered 7, 8, 9, 10. A ball is drawn from the urn a.) What is the probability that it is red? b.) What is the probability that it is odd-numbered? c.) What is the probability that it is red and odd-numbered? d.) What is the probability that it is red or odd-numbered? e.) What is the probability that it is not black

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