A10 : Probability (Simple, Venn Diagram, and Contingency Tables)

A number is randomly selected from 0-10. What is the probability the number selected is greater than 5?

• 1/2
• 3/5
• 2/5
• 5/11

Tags

CCSS.7.SP.C.7A

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

• 2/18
• 1/9
• 2/20
• 1/10

Tags

CCSS.7.SP.C.7B

The diagram shows the sports played by 80 students.

If a student is picked at random, what is the probability that they play football?

• ⁶⁶/₈₀

• ⁴/₈₀

• ¹⁸/₈₀

• ⁴⁹/₈₀

Tags

CCSS.HSS.CP.A.1

The diagram shows the sports played by 80 students.

If a student is picked at random, what is the probability that they play all three sports?

• ³¹/₈₀

• ⁴⁵/₈₀

• ⁶²/₈₀

• ⁶⁷/₈₀

Tags

CCSS.HSS.CP.A.1

How many senior boys play football and wrestle?

• 9
• 12
• 18
• 39

Tags

CCSS.HSS.CP.A.1

What is the probability that someone plays basketball?

• .50

• .68

• .52

• .46

Tags

CCSS.HSS.CP.A.1

What does this symbol represent?

• Intersection "and"

• Intersection "or"

• Union "and"

• Union "or"

Tags

CCSS.HSS.CP.A.1

Ms. Stringer conducted a survey of his 9th grader homeroom.  17 students are taking both Econ and Business.  19 students are only taking Econ.  18 students are only taking Business.  16 students are taking other courses.

Construct Venn Diagram. Which one of the followings is correct for the given Venn picture.

• i = 16, ii = 17, iii = 18. iv = 19

• i = 19, ii = 18, iii = 17. iv = 16

• i = 19, ii = 17, iii = 18. iv = 16

• i = 16, ii = 18, iii = 17. iv = 19

Tags

CCSS.HSS.CP.A.1

A guidance counselor is planning schedules for 30 students.  16 want to take Spanish and 11 want to take Latin.  5 Say they want to take both.  Display this information on the Venn diagram.

a

b

c

d

8

6

11

5

Tags

CCSS.HSS.CP.A.1

The Venn diagram below shows the results of a survey done by a veterinarian about the types of pets owned by 26 clients.  The survey was only related to dogs (D), cats (C), and fish (F). Note k = 1. If a randomly selected member is asked their preference, what is the probability that the member has:

• None of these animals?

• At least one of these pets?

• Fish and dogs, but not cats?

• only dogs?

• Dogs and cats?

Tags

CCSS.HSS.CP.A.1