Name:    Try It Out -- Chapter 13, Lesson 3

Matching

Bill is designing a spinner for a fair. The spinner will have 10 numbers. Spinning an even number wins a prize. Bill decides to conduct an experiment to determine the probability of winning a prize.

Order the steps Bill takes to determine the probability of winning a prize.

 a. He spins 20 times. b. He records 12 spins that resulted in an even number. c. There are five even numbers and five odd numbers on the spinner, so Bill decides his results are reasonable. d. He plans to spin 20 times and record how many times he spins an even number.

1.

What is his first step?

2.

What is his second step?

3.

What is his third step?

4.

What is his final step?

Numeric Response

5.

From Bill’s experiment what is the probability of winning a prize? ______%

6.

What is the probability of not winning a prize? ______%

7.

Bill tries his experiment again. This time he records 10 even spins. What is the probability of winning according to this experiment? ______%

8.

What is the probability of winning a prize using the results from both experiments? ______%