Probability and Statistics Review

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

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

• Superset

• Disjointed Set

• Empty (or Null) Set

• Subset

How many students taking up Mathematics or Science?

• 15

• 20

• 25

• 30

How many students like all three sports?

• 6

• 12

• 15

• 10

How many senior boys play football and wrestle?

• 9
• 12
• 18
• 39

How many senior boys play football but do not wrestle?

• 9
• 12
• 18
• 104

Identify the shaded area...

• A

• B

• A'

• B'

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'

Identify the shaded area...

• A'∩B

• A∩B'

• A∪B'

• A'∪B

What does the symbol ∪ represent in set theory?

• Union

• Intersection

• Disjointed

• Subset