Probability

What is an outcome?

• The result of an experiment
• The chance or likelihood of an event
• A fraction, decimal, or a percent
• An activity that gives various results

What is the P( not purple) on this spinner? (a)  

• 2/5
• 1/5
• 4/5
• 3/5

Find the probability of rolling a 7 on a single die.

Mathematical Equivalence

ON

What is the probability of spinning green? (a)  

• 0
• 1/4
• 1/2
• 3/4

What is the probability of spinning red? (a)  

• 0
• 5/12
• 1/2
• 3/4

What is the probability of spinning green or blue? (a)  

• 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”? (a)  

• 2/7
• 1/6
• 5/7
• 25/26

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a letter that is a vowel? (a)  

• 7/11
• 4/11
• 2/11
• 5/26

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red? (a)  

• 3/10
• 3/9
• 1/9
• 1/3

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? (a)  

• 10/12
• 1/12
• 1/13
• 10/6