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Question
The percent frequency of a class is computed bya. multiplying the relative frequency by 10
b. dividing the relative frequency by 100
c. multiplying the relative frequency by 100
d. adding 100 to the relative frequency
Answer
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The multiplication law is potentially helpful when we are interested in computing the probability of
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b. the intersection of two events
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Which of the following statements is(are) always true?
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If A and B are mutually exclusive events with P(A) = 0.3 and P(B) = 0.5, thenP(A B) =a. 0.00b. 0.15c. 0.8d. 0.2
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b. must always be equal to 1
c. must always be equal to 0
d. can be any positive value
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The probability of the union of two events with nonzero probabilities
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b. cannot be one
c. cannot be less than one and cannot be one
d. None of the other answers is correct.