A bag contains 10 counters. Of these counters, 7 are black and 3 are yellow. Two of these counters are to be taken at random, without replacement, from the bag. Find the probability that the two counters taken are of different colours.
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Answer:
given there is 7 black counters and 3 yellow counters =total 10 counters
Step-by-step explanation:
then probability of two
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