Mathematics 4024 · O Level · Relative and expected frequencies

Relative and expected frequencies — practice question

The spinner has 5 sides labelled 1, 2, 3, 4 and 5. The table records the outcomes after 200 spins of the spinner.
(a)[2]

A pie chart is used to display this data. Calculate the angle of the sector for the number 4.

(b)[1]

Based on the results, estimate the probability that the spinner will land on 3.

(c)[2]

Use the results to estimate the probability that the spinner lands on a number which is a factor of $30$.

(d)[2]

The spinner is spun $3000$ times. Estimate how many times it lands on an even number.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: Calculate $\frac{35}{200}\times360$.

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