Probability and counting

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 football only?

• 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 Hockey and Rugby?

• ³⁶/₈₀

• ⁵/₈₀

• ⁴¹/₈₀

• ⁴⁴/₈₀

What does the shaded portion of the Venn diagram represent?

• Band and Art
• Only Art
• Band or Art
• Neither

Tags

CCSS.HSS.CP.A.1

A = {1, 3, 5, 7, 9}
B = {2, 3, 5, 7}
What is A ∩ B ?

• {3, 5, 7}
• {2, 3, 5, 7}
• {2, 3, 5, 7, 9}
• {1, 2, 3, 5, 7, 9}

Tags

CCSS.HSS.CP.A.1

What type of set is denoted as either { } or ∅?

• Universal Set
• Empty (or Null) Set
• Disjointed Set
• Complement of a Set

Tags

CCSS.HSS.CP.A.1

Which is the correct set notation for A U B?

• {12, 14, 15, 18, 21}
• {10, 11, 12, 14, 15, 18, 21}
• {10, 11, 13, 16, 17, 19, 20}
• {12, 14, 15}

Tags

CCSS.HSS.CP.A.1

Identify the shaded region!

• A ∩ B'

• A ∩ B ∩ C

• A ∩ B ∩ C'

• A ∩ B

Tags

CCSS.HSS.CP.A.1

Identify the shaded region.

• A ∩ B

• A ∪ B'

• A ∪ B

• A ∩ B'

Tags

CCSS.HSS.CP.A.1

From the above Venn diagram, what is the set S ∩ T?

• {casey, drew, jade, glen}
• {alex, casey, drew,hunter}
• {casey, drew}
• {drew, jade}

Tags

CCSS.HSS.CP.A.1