/sci/ - Science & Math

>>8603718

Assuming the golden ball was picked from the GS box, and the ball is not returned, then there are two possibilities

If you pick from GG you'll pick gold
If you pick from GS, you'll pick silver

1/2

Assuming that the golden ball was picked from the GG box, and the ball is not returned, then there are three possibilites

If you pick from GG, you'll pick gold
If you pick from GS, then
a) you'll pick silver
b) you'll pick gold

2/3 chance of picking gold

[math]\frac{1}{2} * \frac{2}{3} = \frac{1}{3}[/math]

The answer is [math]\frac{1}{3}[/math]

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