Probability - take the quiz

What is the probability of rolling a 6 on a standard six-sided dice?

5. Which of these events has a higher probability of occurring?

The probability of drawing two aces from a deck is (4/52) x (3/51) = 1/221. 6. If you flip a coin three times, what is the probability of getting at least one tails?

7. A bag contains 10 red marbles and 5 blue marbles. If you draw one marble at random, what is the probability that it will be red?

8. If you roll two dice, what is the probability that the sum of the numbers rolled will be 7?

9. Which of these events is more likely to occur?

The probability of drawing a spade from a deck of cards is 13/52 = 1/4. 10. What is the probability of getting a full house (three of a kind and a pair) in a five-card poker hand?

If you draw two cards from a deck without replacement, what is the probability that both cards will be black?

After that, there are 25 black cards left in the deck out of 51 total cards, so the probability of drawing another black card is 25/51. Multiplying these probabilities together gives 25/102. 12. Which of these events has a lower probability of occurring?

13. What is the probability of getting at least one ace in a five-card poker hand?