The probability of getting at least one head in two tosses of a fair coin is: MCQ with Answer and Explanation
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Question #1
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In demography, 'dependency ratio' is calculated as:
Correct Answer: Option D
Explanation:
Dependency ratio = (Young dependents + Old dependents) / Working-age population × 100, indicating the economic burden on the productive population to support non-working groups.
Dependency ratio = (Young dependents + Old dependents) / Working-age population × 100, indicating the economic burden on the productive population to support non-working groups.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Which of the following mortality measures uses a standard population?
Correct Answer: Option D
Explanation:
Standardized death rate applies age-specific rates to a standard age distribution.
Standardized death rate applies age-specific rates to a standard age distribution.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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If a researcher wants to study the association between smoking and lung cancer using a 2×2 table, which coefficient can be used?
Correct Answer: Option C
Explanation:
Yule's Q measures association between two attributes.
Yule's Q measures association between two attributes.
This question belongs to:
Accountancy and Statistics
Statistics
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