Mathematics 0580 · IGCSE · Introduction to probability

Introduction to probability — practice question

There are 32 students in the class. 5 of them do not study any language. 15 study German ($G$). 18 study Spanish ($S$).
(a(i))[2]

Complete the Venn diagram to display the information shown here.

(a(ii))[1]

Find the probability that the student studies Spanish but not German.

(a(iii))[1]

Find the probability that this student also studies Spanish.

(b)[2]

Find how many blue marbles are in the bag.

(c(i))[2]

Find the probability that she picks two red beads.

(c(ii))[1]

Find the probability that she does not pick two red beads.

(d)[3]

Find the probability that at least one pencil is red.

Worked solution & mark scheme

This 12-mark question has a full step-by-step worked solution and mark scheme. One marking point: Accurate Venn diagram entries

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