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An urn contains 20 balls, 5 of which are white. Three players - A, B, and...

An urn contains 20 balls, 5 of which are white. Three players - A, B, and C - successively draw from the urn. Each ball is replaced after it is drawn. The winner is the first one to draw a white ball.
(a) Find the probability that A wins.
(b) Find the probability that C wins

Please explain steps. Thank you :)

Math   Statistics-And-Probability   
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