Probability

A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?

• 1/5

• 5/6

• 1/6

• 6/5

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

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

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

A bag of markers has 4 red markers, 5 blue markers, 3 yellow markers, and 3 green markers. If Maria pulls out a marker without looking, what is the probability he will NOT pull out a blue marker?

• 5/10
• 1/3
• 4/15
• 2/3

A small bag of jelly beans contains 2 lemons, 4 cherry, 1 lime, and 3 blueberry jelly beans. If Jessica chooses a jellybean without looking, what is the probability it will be cherry or blueberry?

• 3/10
• 7/10
• 1/2
• 1/4

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

You flip a coin.

What is P(heads)?

• 50%

• 1%

• 25%

• 100%