a box contains 4 red balls, 6 green and 8 black balls. three balls are drawn at random find the probability that three balls are of different colour
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Let 3 balls be drawn one after another without replacement. There are 3! ways in which they could be drawn. (Based on order)
Probability for each way is
= 4/18 * 6/17 * 8/16 = 2/51
Total probability = 3! * 2/51
Probability for each way is
= 4/18 * 6/17 * 8/16 = 2/51
Total probability = 3! * 2/51
kvnmurty:
Click on the red heart thanks above
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