Question

Three balls are drawn from a box containing 6 red marbles, 4 white marbles and 5 blue marbles. Find the probability that they are drawn in the order: red, white, and blue if each ball is drawn without replacement

Answer 1

BALLS?

Answer 2

@wio You love these problems, don't ya :P

Answer 3

First you find the total number of balls.

Answer 4

Number of ways to draw red, white, and blue is \(6\times 4\times 5\).
The number of ways to draw three balls is \(^{6+4+5}\text P_3\).

Answer 5

Probability is dividing the first by the second.