Mathematics 0580 · IGCSE · Introduction to probability

Introduction to probability — practice question

The diagram displays 5 cards. The dots on the cards are, in order, 3 dots, 2 dots, 4 dots, 2 dots, and 2 dots.
(a(i))[1]

Donald picks one card at random. Write down the probability that the number of dots on the card is even.

(a(ii))[1]

Write down the probability that the number of dots on the card is a prime number.

(b(i))[3]

Find the probability that the total number of dots is 5.

(b(ii))[3]

Find the probability that the total number of dots is an odd number.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: Answer: $\frac{4}{5}$

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