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8 Cards in this Set
- Front
- Back
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Define probability
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The chance or likihood of an event occuring
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How do you write probability?
pr() = ? |
Pr(successful event occurs) = number of successful events/total number of possible events
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What is the probability of rolling a 2 on a die?
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1/6. There is 6 possible outcomes only one of which is a successful event
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What is the likihood of getting a head on a coin & rolling a 4 on a die?
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1/12. 1/2 * 1/6 = 1/12
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Which of the following is a pair of mutually exclusive events?
A = Picking a red card B = Picking a king C = Picking a spade |
A & C. Because A can occur without C occuring at the same time.
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Define a sample space
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A set of all possible outcomes
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What should you write if the question is 'Find n(M)'?
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You should write the number of elements in M
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How many events can be shown in a lattice diagram?
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2
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