Computers and Technology, 09.12.2021 19:40, trinidadevelyn
A bag contains n counters. One counter is blue and the rest is red. Two counters are taken at random.
a) express in terms of n the probability that a counter of each colour is chosen .
b) the probability that a counter of each colour is 0.125. Work out the number of red counters
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A bag contains n counters. One counter is blue and the rest is red. Two counters are taken at random...
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