Direct standardization of death rates uses: MCQ with Answer and Explanation
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Question #1
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If P(A) = 0.3, P(B) = 0.4, and A, B are mutually exclusive, then P(A∪B) is:
Correct Answer: Option C
Explanation:
Mutually exclusive → P(A∪B) = P(A) + P(B) = 0.3+0.4=0.7.
Mutually exclusive → P(A∪B) = P(A) + P(B) = 0.3+0.4=0.7.
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Accountancy and Statistics
Statistics
Question #2
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The primary advantage of secondary data is:
Correct Answer: Option A
Explanation:
Secondary data is already available, reducing time and cost of collection.
Secondary data is already available, reducing time and cost of collection.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Age-specific fertility rate for age group 25-29 is 120 per 1000 women. If there are 15,000 women in this age group, the expected number of births to them is:
Correct Answer: Option D
Explanation:
Births = ASFR × (number of women) / 1000 = 120 × 15000 / 1000 = 1800.
Births = ASFR × (number of women) / 1000 = 120 × 15000 / 1000 = 1800.
This question belongs to:
Accountancy and Statistics
Statistics
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