Day 1 Probability Understanding Check

What is intersection of A and B?

• A ∪ B

• ∈

• ∉

• A ∩ B

Tags

CCSS.HSS.CP.A.1

What is Union of A and B?

• A ∩ B

• A′

• A ∪ B

• A ⊂ B

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

How do you write "the complement of A"?

• n(A)

• (A)

• $\forall$

• A'
  

Tags

CCSS.HSS.CP.A.1

If A = {1, 3, 5, 7, 9} and 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

If A = {1, 2, 4, 8, 16} and B = {4, 8, 12, 16, 20}, what is A ∩ B?

• {4, 8, 16}

• {1, 2, 12, 20}

• {1, 2, 4, 8, 12, 16, 20}

• {1, 4, 8, 16, 20}

If A = {0, 1, 2, 3, 5, 6, 9} and B = {1, 2, 3, 5, 6, 8}, what is A ∪ B?

• {0}

• {0,8}

• {1, 2, 3, 5}

• {0, 1, 2, 3, 5, 6, 8, 9}

If A = {1, 3, 5, 7, 9} and 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

If

U (the universal set) = {1, 3, 5, 7, 9, 11, 13, 15, 17} and W = {5, 7, 9, 11}, then W' = . . ..

• {1, 3, 13, 15, 17}

• {1, 3}

• {2, 4, 6, 8, 10, 12, 14, 16}

• {1, 3, 5, 7, 9, 11, 13, 15, 17}{

The Universal Set = { -4, -3, -2, -1, 0, 1, 2, 3 ,4} and

A = {-1, 0, 1}. What is the complement of A?

• {-4, -3, -2, 0, 1, 2, 3, 4}

• {-3, -2, -1, 1, 2, 3}

• {-4, -3, -2, 2, 3, 4}

• {-4, -3, -2, -1, 1, 2, 3}