7LRIS Unit 4 Probability Quiz

Last updated about 5 years ago
12 questions
1

February will have 29 days

1

Roll an even number on a number cube.

1

Flip heads 6 times in a row (on a fair coin.)

1

Pigs will grow wings and fly.

1

Roll a number greater than 1 on a number cube.

1

Roll a number greater than 0 on a number cube.

2

There are three choices of cookies: chocolate chip, peanut butter and sugar cookies. The probabilities of getting each is in the table below.


Using the information in the table, find the probability of getting a sugar cookie. Please give your answer as a decimal.

2

A bag contains 100 marbles. Suppose a student chooses a marble out of the bag, records the color, and then places it back in the bag. They do this 25 times and record the results in the table below.


Use the results to find the relative frequency (experimental probability) the next marble will be red or purple.

2

If you did the experiment in Question #8 again, would your answer from the previous question stay the same? Explain why or why not.

4

The spinner needs the following requirements:

Select the colors for each section?

3

You are going to flip a coin and draw a card from a bag. The cards are labeled 1, 2, 3 and 4.

What is the sample space of both these events. List your answers in the form: "H1, H2 . . ."

3

You are playing a game and are given two spinners to choose from.


Which spinner you would choose to spin to move "forward" in your game? Explain your answer.