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2 cards from this section. Quick, good the night before a test.
What is the probability of rolling a 4 on a fair six-sided die?
Think about how many faces are there on the die.
If a bag has 2 red and 3 green balls, what is the probability of drawing a red ball?
How many total balls are there?
What is the theoretical probability of rolling a 3 on a fair die?
How many faces does the die have?
True or False: The probability of an event that cannot happen is 1.
Remember the definition of impossible events.
What is the probability of getting at least one head when flipping a fair coin three times?
Think about the complement of the event.
In a pack of 52 cards, what is the probability of drawing an ace or a heart?
Be careful not to double-count the ace of hearts.
4 more questions in this section. Enroll free to practise them all.
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