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Question
Cluster sampling isa. a nonprobability sampling method
b. the same as convenience sampling
c. a probability sampling method
d. None of the alternative answers is correct.
Answer
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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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d. None of the other answers is correct.