And/Or Probability

A die is rolled. What is the probability of rolling a 1 or a number greater than 3? (Reduce the fraction!)

• 2/3

• 1/2

• 5/6

• 1

• None of the above

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

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 probability of spinning green or blue?



• 0

• 5/12

• 1/2

• 3/4

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

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?

• 5/6

• 1/2

• 1/3

• 1/6

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

A set of all possible outcomes is known as -

• a list

• a complement

• a sample space

• an event

Tags

CCSS.HSS.CP.A.1

You pick a marble from this bag.

What is the probability you will choose either a black or white marble?



• 3/5

• 9/100

• 1/10

• 2/5

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

Experimental Probability is:

• What Will happen

• What actually happens

• What should happen

• What I think Happens