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April 23, 2014

April 23, 2014

Posted by **jordan** on Wednesday, July 11, 2012 at 5:06pm.

A) one marble is drawn at random

B) one marble is drawn, but not replaced,and then a second marble is drawn.

- elem math core -
**MathMate**, Wednesday, July 11, 2012 at 7:11pmSample space (Ω) is the set of possible outcomes.

(a) the set of possible outcomes is the set each of the coloured marbles:

Ω={R,B,G,Y,W}

(b) Without replacement means that the two marbles are of different colours, so the sample space is

{RB,RG,RY,RW,BG,BY,BW,GY,GW,...}

There are 20 of them, order counts, for example, RG and GR are different outcomes.

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