What Do You Expect? Vocabulary Quiz

An event that consists of two or more simple events is called a . . .

• dependent variable

• challenge event

• compound event

• multi-step event

A fair number cube is rolled. The possible outcomes include rolling a 1, 2, 3, 4, 5, or 6. These outcomes are all equally likely.

• True

• False

The sample space in a probability situation is . . .

• The probability of the most likely outcome.

• The set of all possible outcomes.

• The sum of all probabilities (which is 1).

• The number of trials completed in an experiment.

James tosses a fair coin 50 times. The coin lands heads up 32 times. What is the experimental probability of getting tails?

• 9/25

• 1/2

• 16/25

• not enough information

James tosses a fair coin 50 times. The coin lands heads up 32 times. What is the theoretical probability of getting tails?

• 9/25

• 1/2

• 16/25

• not enough information

A number between 0 and 1 that expresses the likelihood that an outcome will occur is called . . .

• certainty

• favorable outcome

• unlikely event

• probability

Kim loves to eat cereal for breakfast. Her favorite cereal occasionally includes toys in the box. Kim eats 10 boxes of cereal one month, and 3 of the boxes have toys in them. Which of the following ratios describes Kim's relative frequency of getting a toy in her cereal box?

• 7/3

• 7/10

• 3/10

• 3/7

One round of an experiment is called a . . .

• trial

• theoretical probability

• related outcome

• chance

What is a favorable outcome in a probability situation?

• An outcome with a probability over 1/2.

• An outcome that is most likely to occur.

• An outcome that is least likely to occur.

• An outcome that gives a desired result.

A round of rock, paper, scissors could not be considered a fair game, because there are three possible outcomes (win, lose, or tie).

• True

• False