Brain Teasers & Mental Math
You roll a fair die and flip a fair coin. What is the probability of getting an even number AND heads?
Model answer
1/4.
The events are independent, so multiply: P(even) × P(heads) = (3/6) × (1/2) = (1/2) × (1/2) = 1/4.
Key concept: independence means the die tells you nothing about the coin,…
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