Probability and Statistics Quiz True or False

1. What is the sample space for the experiment of flipping two coins? -> {H, T}
2. The probability of rolling 7 on a die is ->


3. Which of the following numbers cannot be a probability? ->


4. What is the probability of drawing a face card (J, Q, or K) at random from a deck with no jokers? ->


5. A jar of candy contains 12 chocolate, 4 vanilla, and 7 strawberry candies. What are the odds against drawing a strawberry candy at random from the jar? -> 7:23
6. Santa's reindeer are having a race. They still aren't letting Rudolph play in any of their reindeer games, so he has to sit this one out. The odds in favor of Prancer are 5:13. What is the probability that Prancer will win the reindeer race? ->


7. The probability event A occurs is . The probability event B occurs is . If events A and B are independent, what is the probability that events A and B both occur?

->


8. The probability event A occurs is . The probability event B occurs is . If events A and B are mutually exclusive, what is the probability that either event A or B occurs?

-> Since A and B are mutually exclusive, there is too much information to answer the question. We are overwhelmed.
9. A standard deck of playing cards, without jokers, is shuffled. Four cards are drawn at random from the deck. What is the probability that all 4 cards are aces? ->


10. There are 7 books, but the shelf only has room for 5. In how many different ways can we fill the shelf with books? -> 42

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