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10 cards from this deck
Events where one outcome doesn't affect the probability of the other
P(A and B)=P(A)×P(B)P(A \text{ and } B) = P(A) \times P(B)P(A and B)=P(A)×P(B)
When both events occur together (AND)
When you want either outcome to happen (OR)
Show all possible outcomes and calculate probabilities
Multiply along the branches
Add up the outcomes
1
78×18=764\frac{7}{8} \times \frac{1}{8} = \frac{7}{64}87×81=647
78×78=4964\frac{7}{8} \times \frac{7}{8} = \frac{49}{64}87×87=6449
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