Intro to Probability Venn Diagrams

How many senior boys play football AND wrestle?

• 9

• 12

• 18

• 39

How many senior boys play football but do not wrestle?

• 9

• 12

• 18

• 104

A pizza parlor surveyed 110 customers to determine their favorite pizza topping or combination of toppings. The results are shown below. Find P(Mushrooms). Reduce the fraction.

A pizza parlor surveyed 110 customers to determine their favorite pizza topping or combination of toppings. The results are shown below. Find P(Mushrooms or Pepperoni).

What is P(not B | A or C)?

• 3/7

• 4/9

• 13/21

• 8/21

A pizza parlor surveyed 110 customers to determine their favorite pizza topping or combination of toppings. The results are shown below. Find P(not picking any of the toppings). Reduce the fraction.

Raawi asks his classmates if they have brown hair or wear glasses. B = {students with brown hair} and G = {students with glasses}. His results are shown in the Venn diagram. How many students have brown hair?

• 13

• 16

• 20

• 22

How many students have all 3 streaming services?

• 40

• 360

• 10

• 140

Identify the shaded area...

• A

• B

Find the probability that the whales OR the fish can swim.

• 0

• 0.25

• 0.5

• 1