Q1. Let A and B be two mutually exclusive events with P(A) = 0.40 and P(B) = 0.20. Therefore: A) P(B|A) = 0.20. B) P(A and B) = 0.08. C) P(A and B) = 0.
Q2. For a given corporation, which of the following is an example of a conditional probability? The probability the corporation's: A) dividend increases given its earnings increase.
B) earnings increase and dividend increases.
C) inventory improves.
Q3. For an unconditional probability: A) there are at least two events. B) the addition rule is important. C) there is only one random variable of concern.
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发表于 2009-1-9 09:04
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