4MA0 Foundation January 2017 Paper 2 Q14
14 The pie chart shows information about the ages in years of the population of Bangladesh.
Diagram NOT accurately drawn
The angle in the pie chart for the 25 – 54 age group is 137°
(a) Work out the percentage of the population of Bangladesh in the 25 – 54 age group.
Give your answer correct to 1 decimal place. (2)
Give your answer correct to 1 decimal place. (2)
5% of the population of Bangladesh are in the over 64 age group.
(b) Work out the size of the angle in the pie chart for the over 64 age group. (2)
| Scheme | Marks |
|---|---|
| Eg \(\dfrac{137}{360} \times 100\) or 137 ÷ 3.6 | M1 |
| 38.1 | A1 |
| (2) |
Notes
M1: For a complete method
A1: Accept 38 − 38.1
| Scheme | Marks |
|---|---|
| \(\dfrac{5}{100} \times 360\) or 0.05×360 or \(\dfrac{360}{100} \times 5\) or \(\dfrac{137}{\text{"}38.0(\ldots)\text{"}} \times 5\) | M1 |
| 18 | A1 |
| (2) | |
| (4 marks) |
Notes
M1: For a complete method
Ft their answer to part (a)
A1: Ft their answer to part (a) rounded or truncated to at least 3SF