Question 469414
General formula:
P(a|b) = P(ab)/P(b)
where a is selecting number 3 and b is the circle is yellow.
P(ab) = P(3 is selected AND circle is yellow) = 0
P(b) = P(circle is yellow) = 2/6 = 1/3
P(a|b) = 0/(1/3) = 0
Therefore, probability selecting 3 given circle is yellow is 0.