Mathematics 4024 · O Level · Relative and expected frequencies

Relative and expected frequencies — practice question

Ashraf spun a five-sided spinner, labelled $1,2,3,4$ and $5$, $200$ times.

(a)[1]

Calculate the relative frequency for the spinner landing on $3$.

(b)[1]

Meriam spins the spinner $20$ times. How often would you expect it to land on $3$?

(c)[1]

Ashraf states: "My results show that the spinner is fair." Is his claim right? Give a reason for your answer.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “It is $\frac{50}{200}$.” …