4.1 What is Probability? Quiz
  • 1. ____________________ as the sample size increases and increases, the relative frequencies of outcomes get closer and closer to the theoretical (classical) probability value.
  • 2. ____________________ is a numerical measure between 0 and 1 that describes the likelihood that an event will occur.
  • 3. ____________________ of event A is the event that A does not occur.
  • 4. ____________________ is a collection of one or more outcomes of a statistical experiment or observation; the action in a probability experiment
  • 5. ____________________ the set of all outcomes known as n
  • 6. Could the following be considered a probability:

    68%
A) Not a Probability
B) Probability
  • 7. Could the following be considered a probability:

    .35
A) Probability
B) Not a Probability
  • 8. Could the following be considered a probability:

    -33%
A) Probability
B) Not a Probability
  • 9. Could the following be considered a probability:

    7/6
A) Not a Probability
B) Probability
  • 10. Could the following be considered a probability:

    15
A) Not a Probability
B) Probability
  • 11. Could the following be considered a probability:

    100%
A) Not a Probability
B) Probability
  • 12. Could the following be considered a probability:

    1
A) Probability
B) Not a Probability
  • 13. A sportscaster makes an educated guess as to how well a team will do this season.
A) Empirical
B) Classical
C) Subjective
  • 14. The probability of drawing a red card from an ordinary deck of cards is ½.
A) Subjective
B) Empirical
C) Classical
  • 15. In a class where there are 8 seniors out of 24 students, the probability of a student being a senior is 1/3.
A) Empirical
B) Classical
C) Subjective
  • 16. The weatherman reports there is a 50% chance of rain for tomorrow.
A) Empirical
B) Subjective
C) Classical
  • 17. A student is flipping a coin and gets 22 heads out of 50 tosses, his probability of getting heads is 11/25.
A) Classical
B) Subjective
C) Empirical
  • 18. The probability of rolling a 5 on a die is 1/6.
A) Classical
B) Empirical
C) Subjective
  • 19. If one card is drawn from a deck, find the probability of getting these results. **Reduce all fractions!**

    P(five) =
  • 20. If one card is drawn from a deck, find the probability of getting these results. **Reduce all fractions!**

    P(spade) =
  • 21. If one card is drawn from a deck, find the probability of getting these results. **Reduce all fractions!**

    P(black card and five) =
  • 22. If one card is drawn from a deck, find the probability of getting these results. **Reduce all fractions!**

    P(complement of a seven) =
  • 23. If one card is drawn from a deck, find the probability of getting these results. **Reduce all fractions!**

    P(complement of a black jack) =
  • 24. A box contains four red, two white, and six green marbles. If a marble is selected at random, find these probabilities.

    P(marble is green) =
  • 25. A box contains four red, two white, and six green marbles. If a marble is selected at random, find these probabilities.

    P(complement of a green marble) =
  • 26. A box contains four red, two white, and six green marbles. If a marble is selected at random, find these probabilities.

    P(complement of a red marble) =
  • 27. If a die is rolled, find the probability of getting these results.

    P(greater than 2) =
  • 28. If a die is rolled, find the probability of getting these results.

    P(a number greater than 4 and less than 7) =
  • 29. If a die is rolled, find the probability of getting these results.

    P(a 4 and 6) =
  • 30. Write a paragraph explaining the three types of probability. Describe the differences between experimental and classical probability, and the foundation of classical probability. Hint: use the dice activity as an example.
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