Higher January 2021 Paper 2 Q7
7 There are 5 cocoa pods in a bag.
The mean weight of the 5 cocoa pods is 398 grams.
A sixth cocoa pod is put into the bag.
The mean weight of the 6 cocoa pods is 401 grams.
Work out the weight of the sixth cocoa pod that is put into the bag.
(3)
| Scheme | Marks |
|---|---|
| 5 × 398 (= 1990) or 6 × 401 (= 2406) | M1 |
| “2406” – “1990” | M1 |
| Correct answer scores full marks (unless from obvious incorrect working) Answer: 416 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: Correct total for 5 or for 6 cocoa pods
M1: (M2 for 398 + 6 × 3 or 401 + 5 × 3)