Simple Theoretical Probability Cards

Sara has a box containing 2 orange, 3 purple, and 5 black pens. What is the probability that she will pick a purple pen at random?

• 3/10

• 2/5

• 1/3

• 1/2

• 1/2, 50%

• 1/3, 33.3%

• 2/3, 66.7%

• 1/5, 20%

What is the probability of selecting an orange candy?

• 0%

• 25%

• 50%

• 100%

What is the probability of spinning a prime number? 

• 1/2

• 2/3

• 1/6

• 0

What is the probability of spinning red?

• 0

• 5/12

• 1/2

• 3/4

If you spin the spinner 90 times, how many times should the number 3 be selected?

• 9

• 15

• 16

• 30

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7

• 5/49

• 5/7

• 10/49

What is the probability of rolling 15 with a pair of dice?

• impossible

• unlikely

• equally likely

• likely

Calculating probability of simple events: If a deck of cards contains 52 cards, what is the probability of drawing a heart?

• 13/52

• 1/52

• 26/52

• 39/52

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

• 3/4

• 1/2

• 1/3

• 2/5