9709 P63 - Jun 2019 - Q6
2902
A fair five-sided spinner has sides numbered 1, 1, 1, 2, 3. A fair three-sided spinner has sides numbered 1, 2, 3. Both spinners are spun once and the score is the product of the numbers on the sides the spinners land on.
- Draw up the probability distribution table for the score.
- Find the mean and the variance of the score.
- Find the probability that the score is greater than the mean score.
