Paper 1 structured question: Probability distributions
Paper 1Statistical Techniques5 marks
Description
Marble Draw
A bag contains 5 green, 3 yellow, and 2 red marbles. One marble is drawn at random.
| Colour | Number of marbles |
|---|---|
| Green | 5 |
| Yellow | 3 |
| Red | 2 |
- a[2]
Calculate the probability of drawing a yellow marble.
Aim for approximately 2 distinct marking points.
- b[3]
Determine the probability distribution for the colour of the marble drawn.
Aim for approximately 3 distinct marking points.