Which of the following sources is considered an unpublished source of secondary data? MCQ with Answer and Explanation
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Question #1
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Maternal Mortality Ratio (MMR) is expressed per 100,000 live births to:
Correct Answer: Option B
Explanation:
Maternal deaths are uncommon; using 100,000 as the base yields manageable numbers (e.g., 100-500) instead of tiny decimals, facilitating interpretation and cross-country comparison.
Maternal deaths are uncommon; using 100,000 as the base yields manageable numbers (e.g., 100-500) instead of tiny decimals, facilitating interpretation and cross-country comparison.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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A fair coin is tossed until a head appears. The probability that it takes exactly 3 tosses is:
Correct Answer: Option D
Explanation:
Sequence: T, T, H. Probability = (1/2)² * (1/2) = 1/8.
Sequence: T, T, H. Probability = (1/2)² * (1/2) = 1/8.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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If P(A)=0.5, P(B)=0.4, and A and B are independent, P(A∩B) is:
Correct Answer: Option C
Explanation:
For independent events, P(A∩B) = P(A) × P(B) = 0.5 × 0.4 = 0.2.
For independent events, P(A∩B) = P(A) × P(B) = 0.5 × 0.4 = 0.2.
This question belongs to:
Accountancy and Statistics
Statistics
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