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A bag contains 8 blue and 7 green balls. 2 balls are drawn one by one without replacement. What is the probability that the balls are alternately of different colors?
9/21
8/17
5/14
8/15
Answer & Explanation 8/15 Explanation: When 1st is blue, prob. = 8/15 * 7/14 When 1st is green, prob. = 7/15 * 8/14 Add both cases.
By: Sandeep Dubey ProfileResourcesReport error
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