Probability Big Ideas

How many students took the survey?

• 32
• 47
• 53
• 56

The image represents which of the following?

• intersection, "and"
• intersection, "or"
• union, "and"
• union, "or"

How many senior boys play football or wrestle?

• 9
• 21
• 30
• 39

What statement does the shaded region represent?

• A or B
• A and B
• A
• B

What statement does the shaded region represent

• A or B
• Not A
• A and B
• Not B

What is
P(Foreign language ∩ Sport)?

• 14/50
• 47/50
• 24/50
• 14/47

The image represents which of the following?

• intersection, "and"
• intersection, "or"
• union, "and"
• union, "or"

If A = {1, 2, 3, 4, 5, 6} and B = {1, 2, 3, 5, 7, 9} What is A U B?

• {1, 2, 3, 4, 5, 6, 7, 9}
• {1, 2, 3, 5}
• {4, 6, 7, 9}
• { }

If A = {1, 2, 3, 4, 5, 6} and B = {1, 2, 3, 5, 7, 9} What is A ⋂ B?

• {1, 2, 3, 4, 5, 6, 7, 9}
• {1, 2, 3, 5}
• {4, 6, 7, 9}
• { }

Given a standard number cube, and the events of rolling an odd number or a 4. Are the events mutually exclusive?

• Not Mutually Exclusive
• Mutually exclusive
• 1/2
• 1/6