Higher November 2022 Paper 5 Q3
3 Azmi has a fair spinner numbered 2, 5 and 8.
Azmi spins the spinner twice and adds the two scores to get a total.
(a) Complete the table to show all of the possible totals.
[1]
| First spin | ||||
|---|---|---|---|---|
| Total | 2 | 5 | 8 | |
| Second spin | 2 | 4 | 7 | |
| 5 | 7 | 10 | ||
| 8 | 13 | 16 | ||
(b) Find the probability that the total is a square number. [2]
| Answer | Marks | Part marks and guidance | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ||||||||||||||||||
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\frac{2}{9}\) oe | 2 | FT their completed table M1 for 4 and 16 identified FT their table and no others | Do not accept ratio or words isw conversion/cancelling M1 implied by \(\frac{2}{15}\) |