Probability Quiz

Probability can be expressed as a number between_____ and _____.

• 0 and 100

• 0 and 10

• 0 and 1

• -1 and 1

If an event cannot occur, then its probability is 

• 1

• ½

• ¼

• 0

You spin the spinner. How many possible outcomes are there?

• 4

• 8

• 1

• 6

Find the theoretical probability of NOT landing on yellow if you spin the spinner.

• 1/8

• 7/8

• 1

• 7

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3

• 1/10

• 3/10

• 30%

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

If you throw a dart at the square design below, what is the probability that you hit the middle region?

• 0.75

• 0.4375

• 0.5625

• 0.28125

What is the probability of flipping a coin

3 times and getting 3 heads?

• 1/8

• 1/4

• 1/2

• 3/4

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

• 1/9

• 2/9

• 5/21

• 10/21

You pick a marble from this bag.

What is the probability you will choose either a black or white marble?

• 3/5

• 9/100

• 1/10

• 2/5