Mathematics 4024 · O Level · Introduction to probability

Introduction to probability — practice question

Some children note how many hours each of them spends watching television on one day. The results are: 1, 2, 2, 2, 6, 7, 7, 8, 10.

(a)[1]

State the mode.

(b)[1]

One of the 9 children is selected at random. Find the probability that this child watches television for more than 6 hours on this day.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The mode is $2$.” …