MATHEMATICS · Multi-part · CBSE · Mathematics · Probability · Probability
Problem
For a particular household, there is a 90% chance that at the end of the week the rubbish bin is full, and a 50% chance that the recycling bin is full, independently of one another.
(1) Draw a tree diagram to illustrate this situation.
(2) Find the probability that at the end of the week:
- both bins are full
- the recycling bin is full but the rubbish bin is not.