a bag contains 6 white balls and a black balls if two balls are picked...
a bag contains 6 white balls and a black balls if two balls are picked...
a bag contains 6 white balls and a black balls if two balls are picked at random one after the other with replacement [i] find the probability of picking two white balls [ii] find the probability of picking two balls [iii] find the probability of picking two different colours?
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