Probability Formative Venn Diagrams and Two Way Tables

How many people ONLY own dogs?

• 3

• 4

• 6

• 7

• 9

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

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 wear glasses?

• 2

• 3

• 5

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 OR glasses?

• 3

• 15

• 18

• 22

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 AND glasses?

• 2

• 3

• 4

• 18

What is the probability that a student chosen randomly from the class plays a sport?

(a)  

What is the probability that a student chosen randomly from the class doesn't play an instrument?

(a)  

What is the probability that a student chosen randomly from the class doesn't play an instrument, but plays a sport?

(a)  

How many students were in the survey all together?

• 30

• 42

• 62

• 72

What is the probability the student is female?

• ³¹/₇₂

• ⁴¹/₇₂

• ⁴²/₇₂

• ³⁰/₇₂