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10 cards from this deck
Probability of A occurring given B has happened.
Use overlap of A and B divided by total A probability.
Depends on the first bead drawn; calculate accordingly.
P(A and B) = P(A) × P(B|A) for dependent events.
P(A|B) = P(A and B) / P(B) using relevant sections.
Events become dependent; previous outcomes affect next.
P(B|A) = 0.1 / 0.4 = 0.25 or 1/4.
Sum probabilities of only A and both A and B.
Divide numerator and denominator by their GCD.
'Given' indicates conditional probability is needed.
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