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Question
The level of significance in hypothesis testing is the probability ofa. accepting a true null hypothesis
b. accepting a false null hypothesis
c. rejecting a true null hypothesis
d. could be any of the above, depending on the situation
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.