Practice Event Algebra (set Theory Of Events) (2.1.5)

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10 questions

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6 sample questions

Question 1.
What does A ∪ B represent?
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Think of it as bringing two sets together.
Question 2.
Describe what A ∩ B means.
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Consider it as overlap in a Venn diagram.
3Question 3.
What does the union of two events represent?
- Only A occurs
- Only B occurs
- Either A occurs or B occurs or both
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Think about a group combining two clubs.
4Question 4.
True or False: The intersection of two events contains outcomes from either event.
- True
- False
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It's about the overlap.
Question 5.
Given events A = {1,2,3,4} and B = {3,4,5,6}, find A ∪ B, A ∩ B, A - B, and Aᶜ assuming S = {1,2,3,4,5,6}.
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Identify all unique elements first for union.
Question 6.
In a survey, 60% like coffee (event A), 40% like tea (event B), and 25% like both. What percentage likes at least one of the drinks?
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Remember to avoid double counting the overlap of both events.

6 more questions in this section. Enroll free to practise them all.