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An urn contains three red balls numbered 1, 2, 3

An urn contains three red balls numbered 1, 2, 3, five white balls numbered 4, 5, 6, 7, 8, and two black balls numbered 9, 10. A ball is drawn from the urn. (Enter your probabilities as fractions.)

 (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?

math   Statistics-And-Probability   
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