Simple Probability

What makes something an impossible choice?

• All of the items would be a choice

• Most of the items would be a choice

• A few of the items would be a choice

• None of the items would be a choice

10 M&Ms are in a bag, 4 red, 2 blue, 1 green and 3 brown. What is the probability of pulling out a blue candy?

• 1

• 2/10

• 1/5

• 3/10

Alphabet magnets are placed in a bag(one of each letter). What is the probability of pulling out the letter z?

• 25/26

• 5/26

• 1/13

• 1/26

You have 20 coins in your wallet, 9 quarters, 5 dimes, 2 nickels and 4 pennies. What is the probability of pulling out a penny?

• 4/20

• 1/5

• 2/10

• 16/20

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 spinning an even number? 

• 16 2/3%
• 33 1/3%
• 50%
• 75%

Determine the likelihood of the following event: 
Drawing a red card from a standard deck of cards

• 1/2
• 13/52
• 1/4
• 4/52

• 0%

• 1/6, 16.7%

• 1/2, 50%

• 6/6 100%

• 0%

• 1/4, 25%

• 1/2, 50%`

• 100%

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4