there were few red balls and white balls in a cab if the number of red balls is to less than that of the white balls in the probability of drawing a red ball is 3 by 7 find the number of balls of each colour
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Answer:nother bag contains 10 white balls, 6 red balls and 9 black balls. One ball is taken from each bag. What is the probability that both the balls will be of the same colour? ... There are three cases for selection of a particular ball : 1. ... If a red ball is drawn, then the probability that it has come from box B2 is.
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