4MA0 Foundation June 2012 Paper 2 Q2
2 The diagram shows a pointer which spins about the centre of a circle.

When the pointer is spun, it stops on one of the colours.
The colours are brown, yellow, red and blue.
Michael spins the pointer once.
(a)
Certain Likely Unlikely Impossible
Write down a word from the box that best describes each outcome.(i) The pointer stops on green.
(ii) The pointer stops on red.
(iii) The pointer stops on a colour beginning with the letter b.
(3)(b) On the probability scale, mark with a cross (×), the probability that
(2)
(i) the pointer stops on brown.
Label this cross B.
Label this cross B.
(ii) the pointer stops on yellow.
Label this cross Y.
Label this cross Y.

| Scheme | Marks |
|---|---|
| (i) Answer: Impossible | B1 |
| (ii) Answer: Unlikely | B1 |
| (iii) Answer: Likely | B1 |
| (3) |
| Scheme | Marks |
|---|---|
| (i) Answer: Mark B at 0.5 | B1 |
| (ii) Answer: Mark Y at 1 cm < Y < 3 cm from 0 on original diagram | B1 |
| (2) | |
| (Total 5 marks) |
Notes
B1: i.e. less than ¼ of line in from 0