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2 cards from this section. Quick, good the night before a test.
What is the probability of rolling a 3 on a fair die?
Consider how many favorable outcomes there are.
If you flip a fair coin, what’s the probability it will land on heads?
Think about the two possible outcomes.
What is the probability of drawing a heart from a deck of cards?
Consider how many hearts there are in the deck.
Is it possible for two events to be mutually exclusive and independent?
Think about the definitions of mutually exclusive and independent events.
If you draw three cards from a deck without replacement, what is the probability of all three being spades?
Consider each draw affecting the next.
You flip a biased coin two times with P(heads) = 0.6. What’s the probability of getting at least one head?
Think about the opposite outcome and use the complement.
3 more questions in this section. Enroll free to practise them all.
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