Posted by **Nicole** on Monday, January 10, 2011 at 2:26pm.

A box contains 2 white calls and 7 pink balls. Two balls are drawn at random from the box.

a) If the first ball is drawn and not replaced, what is the probability that two balls will be drawn of different colors?

b) If the first ball is drawn and then put back, what is the probability that two balls will be drawn of different colors?

## Answer This Question

## Related Questions

- math - A box contains three white balls and two red balls. A ball is drawn at ...
- math - a. A box contains three white balls and two red balls. A ball is drawn at...
- statistics - A box contains 3 white and 5 black balls. Four balls are drawn at ...
- Math - A bag contains 5red balls and 4 white balls. Two balls are drawn at ...
- Math - A bag contains 5 red balls and 4 white balls. Two balls are drawn at ...
- Statistics - 3 balls are drawn successively from a box containing 6red,4 white ...
- statistics /pure maths - A box contains N identical balls of which 4 are Red, 3 ...
- math - A box contains 6 red balls, 4 white balls, and 5 green balls. If three ...
- 8th Grade Probability - A box contains 6 red balls, 4 white balls, and 5 green ...
- science - A box contains 10 balls of which 6 are red (R) and 4 are white (W) . ...

More Related Questions