- There are 10 balls in a bag. 5 different colours. 2 of each.
- There are 5 married couples (10 people in total).
- Each person draws a ball and keeps it to themselves (without replacement) .
- The order of drawing is random.
What is the probability that each person draws the same colour ball as their spouse?
- There are 5 married couples (10 people in total).
- Each person draws a ball and keeps it to themselves (without replacement) .
- The order of drawing is random.
What is the probability that each person draws the same colour ball as their spouse?