Mathematics
Mathematics, 03.04.2020 01:52, niellerodriguez1802

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.

b) The probability that a counter of each colour is taken is 0.125 How many red counters are in the bag?

answer
Answers: 1

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A bag contains n counters.

One counter is blue and the rest are red.

Two cou...

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