Mathematics, 03.04.2020 04:31, GreenHerbz206

A bag contains 12 discs

7 are red

3 are blue

2 are yellow

Two discs are taken from the bag at random, without replacement. Work out the probability that the two discs are the same colour. Please help :)

Answers: 1

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Do you know the correct answer?

A bag contains 12 discs

7 are red

3 are blue

2 are yellow