The sample space for tossing two coins simultaneously is: MCQ with Answer and Explanation

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The sample space for tossing two coins simultaneously is:

A. {0,1,2}

B. {HH,HT,TH,TT}

C. {H,T}

D. {HH,HT,TT}

Answer: Option B

Solution (By JKSSB Mock Tests)

Two independent outcomes for each coin yield four ordered pairs.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Factor reversal test requires that the product of a price index and its corresponding quantity index equals:

A. Value index

B. 1

C. Current year value

D. Base year value

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Correct Answer: Option A

Explanation:
The product should equal the value ratio Σp₁q₁/Σp₀q₀, i.e., the value index.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Life expectancy at birth is best interpreted as:

A. The maximum age reached by any individual in the population

B. The age by which 50% of the population has died

C. The average number of years a newborn is expected to live if current mortality patterns persist

D. The median age at death in a given year

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Correct Answer: Option C

Explanation:
Life expectancy is a period measure derived from a life table, representing the mean survival time for a hypothetical cohort experiencing current age-specific death rates throughout life.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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Which of the following is a use of index numbers?

A. Measuring population growth

B. Measuring inflation

C. Measuring area

D. Measuring literacy

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Correct Answer: Option B

Explanation:
Index numbers are widely used to track changes in price levels, cost of living, etc.

This question belongs to: Accountancy and Statistics Statistics

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