Theoretic Probability of Simple Events

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

A die is rolled. What is the probability that the result is less than 3 ?

• 1/2

• 1/3

• 1/4

• 1/6

Cindy owns 7 t-shirts, 2 of which are gray. If Cindy randomly selects a t-shirt to wear, what is the probability it will be gray?

• 2/7

• 5/7

• 7/7

• 1/7

There are 15 pieces of fruit in a basket, including 3 oranges. What is the probability that a randomly selected piece of fruit will be an orange?

• 1/5

• 3/5

• 5/15

• 3/10

If you cut a shuffled deck, what is the probability you will get an 8 of diamonds?

• out of 4

• out of 13

• out of 52

• out of 52

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

There are 15 girls and 15 boys in 8th period. If Terry randomly selects a member of 8th period, what is the probability that she will select a boy?

• 15/15

• 1/2

• 15/40

• 8/15

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

The spinner shown is spun. 
Find P(number less than 6).

• ⁶/₈ or 75%

• ¹/₈ or 12.5%

• ⁵/₈ or 62.5%

• ³/₈ or 37.5%

What is the probability of spinning red?

• 0

• 5/12

• 1/2

• 3/4