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Questions and Answers
What is the sum of probabilities of two complementary events A and B?
What is the sum of probabilities of two complementary events A and B?
- $1$ (correct)
- $2$
- $0.5$
- $0$
What is the probability of an event that is certain to occur?
What is the probability of an event that is certain to occur?
- $100$
- $0$
- $1$ (correct)
- $0.5$
What is the probability of an impossible event?
What is the probability of an impossible event?
- $0.5$
- $0$ (correct)
- $1$
- $100$
If a coin is fair, what is the probability of getting a 'heads'?
If a coin is fair, what is the probability of getting a 'heads'?
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How is the probability of an event expressed?
How is the probability of an event expressed?
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