Posted by **Kristen** on Wednesday, January 22, 2014 at 7:32pm.

A box contains 20 red balls and 40 green balls . Four balls are randomly selected from the box without replacement. What is the probability of selecting a red ball followed by a green ball and then another red ball followed by a green ball?

## Answer This Question

## Related Questions

- maths-probability - A box contains n balls of which 2 are red and the rest are ...
- probability - A box contains n balls of which 2 are red and the rest are green...
- Probability again - A box contains 6 red balls, 4 blue balls, and 2 green balls...
- statistics - A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 ...
- statistics - A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 ...
- statistics - If a bag contains a set of 20 red balls, 10 green balls, and 15 ...
- statistics - A jar contains 7 red balls, 5 green balls, 4 blue balls, and 3 ...
- statistics - 1. In a large box are 20 ping-pong ballsâ€”10 of them are red and ...
- Maths - A bag contains 2 green balls and 1 red ball Two balls are randomly ...
- Conditional Probability - A box contains 1 green ball, 2 blue balls, and 3 red ...

More Related Questions