There are 4 red balls, 3 yellow balls and 7 white balls in a box. If a guest draw 2 balls at random one by one without r

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There are 4 red balls, 3 yellow balls and 7 white balls in a box. If a guest draw 2 balls at random one by one without r

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There Are 4 Red Balls 3 Yellow Balls And 7 White Balls In A Box If A Guest Draw 2 Balls At Random One By One Without R 1
There Are 4 Red Balls 3 Yellow Balls And 7 White Balls In A Box If A Guest Draw 2 Balls At Random One By One Without R 1 (21.41 KiB) Viewed 85 times
There are 4 red balls, 3 yellow balls and 7 white balls in a box. If a guest draw 2 balls at random one by one without replacement, what is the probability that the two balls are in (a) the same colour? (b) different colour?
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