Mathematics 0580 · IGCSE · Probability of combined events

Probability of combined events — practice question

The diagram contains six discs. Every disc has one colour and one number. They are labelled as follows: Red 4, Yellow 6, Blue 3, Blue 4, Yellow 2, Blue 3.
(a(i))[1]

Write down the probability that the disc carries the number 4.

(a(ii))[1]

Write down the probability that the disc is red and shows the number 3.

(a(iii))[1]

Write down the probability that the disc is blue and shows the number 4.

(b(i))[2]

Find the probability that both discs show the number 3.

(b(ii))[3]

Find the probability that the two discs are the same colour.

(c)[3]

Find the probability that the two discs are the same colour.

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