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An urn contains 25 red, 21 green, and 11 yellow balls. Draw two balls without replacement....

An urn contains 25 red, 21 green, and 11 yellow balls.

  1. Draw two balls without replacement. What is the the probability that both balls in the sample are red?probability =
  2. What is the probability that the number of red balls in the sample is exactly 1 or the number of yellow balls in the sample is exactly 1 (or both)?probability =
  3. Draw two balls with replacement. What is the probability that the number of red balls in the sample is exactly 1 or the number of yellow balls in the sample is exactly 1 (or both)?probability =
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