According to Census 2011, the population density of India is: MCQ with Answer and Explanation
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Question #1
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If P(A) = 0.6, P(B) = 0.3, and P(A ∩ B) = 0.18, then events A and B are:
Correct Answer: Option D
Explanation:
Events are independent if P(A ∩ B) = P(A) × P(B). Here, 0.6 × 0.3 = 0.18, satisfying the condition.
Events are independent if P(A ∩ B) = P(A) × P(B). Here, 0.6 × 0.3 = 0.18, satisfying the condition.
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Accountancy and Statistics
Statistics
Question #2
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Given the following ASFR (per 1000 women) for 5-year age groups: 15-19:20, 20-24:150, 25-29:120, 30-34:80, 35-39:30, 40-44:10, 45-49:5. The TFR (children per woman) is approximately:
Correct Answer: Option A
Explanation:
Sum of ASFRs = 415 per 1000. TFR = 5 × 415/1000 = 2075/1000 = 2.075 children per woman.
Sum of ASFRs = 415 per 1000. TFR = 5 × 415/1000 = 2075/1000 = 2.075 children per woman.
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Accountancy and Statistics
Statistics
Question #3
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If a time series index shows that prices have doubled from base year, the index is:
Correct Answer: Option B
Explanation:
Doubling means 100% increase, so index = base (100) + 100 = 200.
Doubling means 100% increase, so index = base (100) + 100 = 200.
This question belongs to:
Accountancy and Statistics
Statistics
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