Probability Basics

The chart below represents the number of marbles in a jar. If you were to randomly select one marble without looking, what is the probability of selecting a green marble?

P(green) =

• 5/19

• 10/28

• 5/14

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

• 3/10

• 3/9

• 1/9

• 1/3

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What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

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If you were to randomly select a candy from the picture, what is the probability of selecting an orange candy?

• 0%

• 25%

• 50%

• 100%

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A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. If you were to randomly select a candy without looking inside the bag, what is the probability of selecting a lemon?

• 3

• 1/10

• 3/10

• 30%

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On the spinner shown, what is the probability of the spinner not landing on A?

P(not A) =

*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

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Rolling a 15 on a 6-sided number cube is

• Impossible

• Certain

• Unlikely

• Equally Likely

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What is the probability of rolling a 6-sided number cube and having it land as a six?

• 1/6

• 5/6

• 1/3

• 1/2

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What is the probability of rolling a 6-sided number cube and having land on an odd number?

• 3/4

• 1/3

• 1/2

• 2/5

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On the spinner shown, what is the probability of spinning the spinner and it landing on RED?

• 33%

• 50%

• 12%

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