In probability, an event that contains all possible outcomes is called: MCQ with Answer and Explanation

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In probability, an event that contains all possible outcomes is called:

A. Simple event

B. Null event

C. Impossible event

D. Sure event

Answer: Option D

Solution (By JKSSB Mock Tests)

Sure event equals the sample space, P = 1.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Standardized Death Rate (SDR) is used to:

A. Estimate infant mortality from census data

B. Compare mortality between populations with different age structures

C. Adjust birth rates for underreporting

D. Calculate crude death rates for small areas

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Correct Answer: Option B

Explanation:
SDR applies age-specific death rates of a population to a standard age distribution, eliminating the confounding effect of age structure to enable fair mortality comparisons across regions or time.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The total fertility rate is 3.0. If the proportion of female births is 0.49 and the survival rate of women to reproductive age is 0.9, the NRR is approximately:

A. 2.7

B. 1.323

C. 1.47

D. 0.9

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Correct Answer: Option B

Explanation:
GRR = 3.0 × 0.49 = 1.47. NRR = 1.47 × 0.9 = 1.323.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Chain base index numbers compare each period with:

A. The immediately preceding period

B. A fixed base period

C. The first period

D. An average period

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Correct Answer: Option A

Explanation:
Chain base indices use link relatives, where each period is the base for the next.

This question belongs to: Accountancy and Statistics Statistics

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