1MA0 Foundation June 2013 Paper 1 Q18
18 Here is a fair 6-sided spinner.
Jake is going to spin the spinner once.
(a) Write down the probability that the spinner will land
(i) on 4
(ii) on a number greater than 10
(2)Liz is going to spin the spinner 120 times.
(b) Work out an estimate for the number of times the spinner will land on 7 (2)
| Answer | Mark | Notes |
|---|---|---|
| (i) \(\dfrac{1}{6}\) | 2 | B1 for \(\dfrac{1}{6}\) or any equivalent fraction, percentage or decimal (rounded or truncated to 2 or more significant figures) |
| (ii) 0 | B1 accept \(\dfrac{0}{6}\), 0%, zero |
| Answer | Mark | Notes |
|---|---|---|
| 20 | 2 | M1 for \(\dfrac{1}{6} \times 120\) oe A1 cao (NB: An answer of \(\dfrac{20}{120}\) scores M1 A0) |