In probability, if P(A) = 0, then A is: MCQ with Answer and Explanation

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In probability, if P(A) = 0, then A is:

A. An impossible event

B. Both B and C are correct

C. Independent of any other event

D. A sure event

Answer: Option B

Solution (By JKExamLibrary)

An impossible event has probability 0, and it is independent of any event because P(A∩B)=0 = P(A)P(B).

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

Gross Reproduction Rate (GRR) of 1.5 means:

A. 1.5 children per 1000 women

B. 1.5% population growth

C. A woman will bear 1.5 daughters on average

D. A woman will bear 1.5 children

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Correct Answer: Option C

Explanation:
GRR is average number of daughters per woman, ignoring mortality.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

The Wholesale Price Index (WPI) excludes:

A. Fuel and power

B. Services

C. Manufactured products

D. Primary articles

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Correct Answer: Option B

Explanation:
WPI covers only goods; it does not include services, unlike CPI.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

If a town has 2000 live births, 50 infant deaths, and 20 neonatal deaths, the post-neonatal mortality rate (per 1000 live births) is:

A. 35

B. 10

C. 15

D. 25

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Correct Answer: Option C

Explanation:
Post-neonatal deaths = infant deaths - neonatal = 50-20=30. Rate = (30/2000)×1000 = 15.

This question belongs to: Accountancy and Statistics Statistics

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