If the WPI (base 2011-12) for March 2023 is 150, it means that wholesale prices have increased by ______ since base year. MCQ with Answer and Explanation
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Question #1
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There are two urns: Urn 1 contains 4 white, 6 black; Urn 2 contains 5 white, 5 black. An urn is chosen at random and a ball drawn. If it is white, probability it came from Urn 1 is:
Correct Answer: Option B
Explanation:
P(Urn1|W) = (1/2 * 4/10) / (1/2*4/10 + 1/2*5/10) = 0.2 / (0.2+0.25)=0.2/0.45=4/9.
P(Urn1|W) = (1/2 * 4/10) / (1/2*4/10 + 1/2*5/10) = 0.2 / (0.2+0.25)=0.2/0.45=4/9.
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Accountancy and Statistics
Statistics
Question #2
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Total Fertility Rate (TFR) is dimensionless because it represents:
Correct Answer: Option C
Explanation:
TFR sums age-specific fertility rates (births per woman per year) across reproductive ages, yielding a pure number: the average completed family size per woman under current fertility patterns.
TFR sums age-specific fertility rates (births per woman per year) across reproductive ages, yielding a pure number: the average completed family size per woman under current fertility patterns.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Vital statistics are primarily concerned with:
Correct Answer: Option C
Explanation:
Vital statistics deal with vital events such as births, deaths, marriages, and divorces.
Vital statistics deal with vital events such as births, deaths, marriages, and divorces.
This question belongs to:
Accountancy and Statistics
Statistics
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