Theoretical Probability of Compound Events

The measure of the likelihood that an event will occur. The chance that an event will happen. A ratio of chance/all chances.

• odds

• probability

• outcomes

• tree diagram

Mathematical calculation that an even will happen in theory.

• odds

• theoretical probability

• outcomes

• dependent event

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3?

• 1/12

• 1/4

• 1/8

• 1/2

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green?

• 1 / 16

• 1 ⁄ 6

• 1 ⁄ 8

• 3 ⁄ 4

Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?

• 1 ⁄ 16

• 1 ⁄ 2

• 1 ⁄ 4

• 1 ⁄ 8

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.  P(green, black)

• 3/20

• 1/4

• 3/31

• 2/27

The spinner is spun two times.  Determine the probability of landing on red the first spin and on green the second spin .

• 1/9

• 1/10

• 0

• 1/12

An event that consists of two or more events

•  event

• dependent events

• experiment

• compound event

The ratio of the number of favorable outcomes to the number of possible outcomes when all possible outcomes are equally likely

• experiment

• Fundamental Counting Principle

• experimental probability

• theoretical probability