Concept explainers
An urn contains 17 balls marked LOSE and three balls marked WIN. You and an opponent take turns selecting a single ball at random from the urn without replacement. The person who selects the third WIN ball wins the game. It does not matter who selected the first two WIN halls.
(a) If you draw first, find the
(b) If you draw first, find the probability that your opponent wins the game on his second draw.
(c) If you draw first, what is the probability that you win? HINE You could win on your second, third, fourth, or tenth draw, but not on your first.
(d) Would you prefer to draw first or second? Why?
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Probability And Statistical Inference (10th Edition)
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