Consider the following: 1. CPI-IW is compiled by Labour Bureau. 2. CPI-Rural, Urban, Combined base year is 2012. 3. CPI basket includes both goods and services. Which of the above is/are correct? MCQ with Answer and Explanation
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Question #1
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A box contains 4 white and 6 black balls. A ball is drawn and not replaced. Then another ball is drawn. The probability that both are white is:
Correct Answer: Option D
Explanation:
(4/10)×(3/9)=12/90=2/15.
(4/10)×(3/9)=12/90=2/15.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Which of the following is a demographic characteristic?
Correct Answer: Option C
Explanation:
Age, sex, marital status are core demographic characteristics.
Age, sex, marital status are core demographic characteristics.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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A bag contains 3 red, 5 black balls. Two balls are drawn at random. The probability that they are of different colors is:
Correct Answer: Option C
Explanation:
Total ways C(8,2)=28. 1 red 1 black = 3×5=15. Probability=15/28.
Total ways C(8,2)=28. 1 red 1 black = 3×5=15. Probability=15/28.
This question belongs to:
Accountancy and Statistics
Statistics
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