Probability
Experimental Probability
Fundamental Counting Principle
Vocabulary
Compound Probability
100

What is the probability of spinning a blue?

3/8

100

The bar graph shows the results of spinning the spinner 200 times.  What is the experimental probability of spinning a 1?

41/200

100

You go to the snack bar to buy a bagel and a drink for lunch. You can choose from a plain bagel, a blueberry bagel, or a raisin bagel. The choices for a drink include water or a sports drink. How many different lunches could be made with these choices?

6 lunches

100

An investigation or precedure that has varying results.

Experiment

100

What is the probability of flipping a heads on a coin and rolling a 4 on a number cube?

1/12

200

What are the favorable outcome to spinning a yellow?


yellow, yellow

200

The bar graph shows the results of spinning the spinner 200 times. 

What is the experimental probability of spinning a 5?

40/200 = 1/5

200

A restaurant offers four sizes of pizza, two types of crust, and eight toppings. How many possible combinations of pizza with one topping are there?

64 different pizzas

200

The possible results of an experiment.

Outcomes

200

What is the probability of spinning a blue and flipping a heads on a coin?

3/16

300

How many favorable outcomes to spinning an even?


4

300

The bar graph shows the results of spinning the spinner 200 times. 

What is the experimental probability of spinning an even number?

80/200 = 2/5

300

You go to Best Buy to purchase a new television. You have the following choices: LCD or plasma; screen size 27”, 32”, 36”, 41”, 51”, or 63” and manufacturer Sony, Vizio or Phillips. How many different televisions does the store have to offer?

36 different televisions

300

A collection of one or more outcomes.

Event

300

What is the probability of rolling less than 5 on a number cube, spinning a yellow, and fllipping a heads?

1/12

400

What is the probability of not spinning a yellow?

6/8 = 3/4

400

What is the experimental probability of spinning a number greater than 5?

0

400

A men’s department store sells 3 different suit jackets, 6 different shirts, 8 different ties, and 4 different pairs of pants. How many different suits consisting of a jacket, shirt, tie, and pants are possible?

576 suits

400

The outcome of a specific event.

Favorable Outcomes

400

What is the probability of picking a club then a face card. (without replacement)

1/5 x 1/2 = 1/10

500

How many yellows should you expect to spin if you spin the spinner 120 times?

30 times

500

What is the experimental probability of spinning a number less than 5?

160/200 = 4/5

500

A lock has four dials. On each dial are the digits 0 to 9. How many possible combinations are there?

10,000 combinations

500

Consists of two or more events.

Compound Event

500

What is the probabiliy of picking two face cards. (Without replacement)

1/5 x 1/4 = 1/20