Which index number formula uses the unweighted geometric mean of price relatives? MCQ with Answer and Explanation
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Question #1
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If A and B are two attributes, the symbol (α) denotes:
Correct Answer: Option C
Explanation:
α (alpha) is the negation of A; (α) is the number of items that do not possess attribute A.
α (alpha) is the negation of A; (α) is the number of items that do not possess attribute A.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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If P(A)=0.4, P(B)=0.5, and A and B are independent, then P(A' ∩ B') equals:
Correct Answer: Option C
Explanation:
P(A')=0.6, P(B')=0.5, independence ⇒ P(A'∩B') = 0.6 × 0.5 = 0.3.
P(A')=0.6, P(B')=0.5, independence ⇒ P(A'∩B') = 0.6 × 0.5 = 0.3.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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If P(A)=0.5, P(B)=0.3, and A, B are mutually exclusive, then P(A∪B) is:
Correct Answer: Option D
Explanation:
0.5+0.3=0.8.
0.5+0.3=0.8.
This question belongs to:
Accountancy and Statistics
Statistics
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