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Mathematics

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A bag contains n counters.
One counter is blue and the rest are red.
Two counters are taken at random from the bag.
a) Express, in terms of n, the probability that a counter of each colour is taken.
Give your answer as a fraction in its simplest form.

Answer :

iejenenennendnd99292 iejenenennendnd99292

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Oh gosh oh I see you I did was not

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sarinasa sarinasa

Today at 3:15 AM

Answer:

a) 2/n

b)15

2/n=1/8(0.125)

x by 2

2/n=2/16

so 16-1=15 (cause only 1 blue counter).

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