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WorksheetsEVENT, UNION, & INTERSECTION
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
Event A: Rolling an even number on a six-sided die. Event B: Rolling a number greater than 3. What numbers are in A ∩ B?
a)
{1, 2, 3}
b)
{4, 6}
c)
{1, 3, 5}
d)
{2, 4, 6}
2.
A bag contains red and blue marbles. Event A: Picking a red marble. Event B: Picking a blue marble. Are A and B mutually exclusive?
a)
Yes
b)
No
c)
Only if there are more red marbles.
d)
Only if there are more blue marbles.
3.
In a class, 10 students like pizza, 8 like burgers, and 3 like both. How many students like pizza or burgers?
a)
3
b)
10
c)
8
d)
15
4.
What does the symbol ∪ represent in set theory?
a)
Intersection
b)
Union
c)
Subset
d)
Complement
5.
Which of the following symbols represents the intersection of two sets?
a)
∩
b)
∪
c)
⊂
d)
⊃
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