Mutually Exclusive Events (Leaving Cert Mathematics): Quizzes

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Mutually Exclusive Events
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What defines mutually exclusive events?

Events cannot happen together

If AA and BB are mutually exclusive, P(A or B)=?P(A \text{ or } B)=?

P(A)+P(B)P(A) + P(B)

What is PP(rolling a 1 or 2 on a die?

1/6+1/61/6 + 1/6

What does mutually exclusive mean?

Cannot happen together

P(A or B) for mutually exclusive events is?

P(A)+P(B)P(A) + P(B)

What concept applies if two events can't both happen?

Mutually exclusive

P(A or B) when events are not mutually exclusive?

P(A)+P(B)−P(A∩B)P(A) + P(B) - P(A \cap B)

Event AA exclusive of BB, then:

AA & BB can't happen

If P(A)=0.3P(A)=0.3 and P(B)=0.4P(B)=0.4 and mutually exclusive, find P(A∪B)P(A \cup B)

0

P(A or B) for non-mutually exclusive events involves?

Adding & subtracting intersection

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Explore Leaving Cert Mathematics Flashcards by Topics

Fundamentals of Probability

The Basics of Counting

Permutations / Arrangements

The Basics of Probability

Combinations

Set Theory and Probability

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Expected Value

Explore Leaving Cert Mathematics Exam Questions by Topics

Fundamentals of Probability

The Basics of Counting

Permutations / Arrangements

The Basics of Probability

Combinations

Set Theory and Probability

Combined Events/Bernouilli Trials

Events

Expected Value

Show more

Expected Value

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