7-5 Review

A compound event consists of one event.

• True

• False

Katie is playing a game in which she has to choose one of three numbers (3, 6 or 8) and then one of the five vowels (a, e, i, o, u). How many possible outcomes are there?

• 15

• 8

• 3

• 5

There are four stores that sell school supplies (S1, S2, S3, S4) and four stores that sell sporting goods (G1, G2, G3, G4). How many possible combinations of stores could you visit to buy a tennis racquet and then a backpack?

• 16

• 8

• 10

• 14

A new car can be purchased with a choice of four exterior colors (A, B, C, D) and five interior colors (1, 2, 3, 4, 5). How many possible color combinations are there for a new car?

• 9

• 15

• 20

• 25

Angelica flips a coin, and then she spins the pointer on a spinner with equal sections of red, green, yellow, and blue. Which of the following is an example of a compound event? Select ALL that apply.

• The pointer lands on red.

• The coin lands heads up, and the pointer lands on green.

• The coin lands tails up, and the pointer lands on blue.

• The pointer lands on blue.

• The coin lands tails up.

You flip a coin 20 times. It lands on heads 7 times and on tails 13 times. What is the THEORETICAL probability that the coin will land on heads?

• 7/20

• 1/2

• 13/20

• 1

You flip a coin 20 times. It lands on heads 7 times and on tails 13 times. What is the EXPERIMENTAL probability that the coin will land on heads?

• 1/2

• 7/20

• 13/20

• 1

You flip a coin 20 times. It lands on heads 7 times and on tails 13 times. What is the EXPERIMENTAL probability that the coin will land on tails?

• 1/2

• 13/20

• 7/20

• 1