Posted by **Rose** on Sunday, January 20, 2013 at 5:06am.

3 balls are drawn successively from a box containing 6red,4 white and 5 blue balls.Find the probability that they are drawn in order red,white and blue if:(a)each ball is replaced.(b)balls are not replaced

- Statistics -
**PsyDAG**, Sunday, January 20, 2013 at 12:24pm
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

6/15 * 4/15 * 5/15 = ?

Without replacement, there is one less ball total in the following draws.

6/15 * 4/14 * 5/13 = ?

- Statistics -
**sagar**, Wednesday, March 4, 2015 at 12:52am
one bag contains 4 white balls,2 black balls.another bag contains 3 white balls 5 black balls.if one ball is drawn from each bag. find that

a) both are white?

b) both are black?

c)one is white and one is black?

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