Finding Probability Using Intersections and Unions

The image represents which of the following?

• intersection, "and"
• intersection, "or"
• union, "and"
• union, "or"

P(Soda) =

• 200/400
• 158/400
• 50/200
• 120/200

P(Pizza) =

• 182/400
• 120/400
• 58/200
• 200/400

P(Pizza ∩ Water) =

• 62/182
• 120/400
• 58/400
• 140/400

P(Pizza ∪ Water) =

• 182/400 + 140/400 - 58/400
• 182/400 + 140/400 - 0
• 58/400 + 140/400 -182/400
• 182 + 140 - 58

What is the probability of spinning an even number? 

• 16 2/3%
• 33 1/3%
• 50%
• 75%

Probability of:
Spinning a 3 and
Drawing an A

• 2/8
• 1/4
• 1/16
• 1/8

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

Miss Ward spins a wheel to determine the number of homework problems to assign. There are 20 sections labeled 1–20. What is the probability that there will be fewer than 13 problems assigned for homework?

• 13/20
• 3/5
• 4/9
• 7/20

What statement does the shaded region represent?

• A or B
• Not A
• A and B
• Not B