Simple Probability Events

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

What is the probability the spinner stops on yellow?

• .05

• 50%

• 25%

• 3/8

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

• 1/2
• 1/3
• 1/4
• 1/6

What is the probability of spinning red?

• 0

• 5/12

• 1/2

• 3/4

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

You flip a coin.

What is P(heads)?

• 50%

• 1%

• 25%

• 100%

You pick a card at random.

What is P(5)?

• 3/1

• 3/4

• 1/4

• 1

Gabby is picking out fabric for her bedroom. She has 20 fabric samples, and 8 of them are plaid.

What is the probability that a randomly selected fabric sample will be plaid?

• 12/20

• 2/5

• 1/20

• 20