Foundation November 2018 Paper 3 Q14
14 Here is a 4-sided spinner.
The table shows the probabilities that when the spinner is spun it will land on 1, on 3 and on 4
| Number | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Probability | 0.2 | 0.4 | 0.1 |
The spinner is spun once.
(a) Work out the probability that the spinner will land on 2 (1)
(b) Which number is the spinner least likely to land on? (1)
Jake is going to spin the spinner 60 times.
(c) Work out an estimate for the number of times the spinner will land on 1 (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| 0.3 | B1 | for 0.3 oe |
Additional guidance
Acceptable equivalents are 3/10 or 30%
Answer on answer line takes precedence
| Answer | Mark | Mark scheme |
|---|---|---|
| 4 | B1 | 4 or ft their (a) |
Additional guidance
Do not accept a statement of probability (eg 0.1)
| Answer | Mark | Mark scheme |
|---|---|---|
| 12 | M1 | for \(0.2 \times 60\) oe |
| A1 | cao |
Additional guidance
Do not accept the use of any other probability