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Exam-Style Question on StatisticsA mathematics exam-style question with a worked solution that can be revealed gradually |
Question id: 510. This question is similar to one that appeared on a GCSE Higher paper in 2019. The use of a calculator is allowed.
Jimmy is ordering the t-shirts for the community choir which has 240 members.
He asks a sample of 36 members what colour the t-shirts should be. Each members chooses one colour.
The table shows information about his results.
| Colour | Number of members |
|---|---|
| Blue | 6 |
| Red | 3 |
| Green | 7 |
| Yellow | 5 |
| Purple | 2 |
| Black | 6 |
| White | 7 |
(a) Work out how many of the 240 members you think will want black t-shirts.
(b) State any assumption you made and explain how this may affect your answer.
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