The probability of an event A is 0.2. The odds in favor of A are: MCQ with Answer and Explanation

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The probability of an event A is 0.2. The odds in favor of A are:

A. 1:4

B. 5:1

C. 1:5

D. 4:1

Answer: Option A

Solution (By JKExamLibrary)

Odds = P(A) : P(A') = 0.2 : 0.8 = 1:4.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

If a die is rolled, the sample space is:

A. {1,2,3,4,5,6}

B. {0,1,2,3,4,5,6}

C. {1,2,3,4,5}

D. {2,4,6}

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Correct Answer: Option A

Explanation:
A fair die has six possible outcomes: 1,2,3,4,5,6.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

The de jure method of census enumeration counts:

A. All persons present on census night

B. Only citizens

C. All persons according to their usual place of residence

D. Only males

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Correct Answer: Option C

Explanation:
De jure method enumerates people at their usual residence regardless of where they were on census night.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Combined mean formula is essential when:

A. All groups have the same size

B. Calculating mode

C. Merging means from groups of different sizes

D. Data is qualitative

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Correct Answer: Option C

Explanation:
Combined mean = (n₁x̄₁ + n₂x̄₂) / (n₁ + n₂) weights each group's mean by its size, providing the correct overall mean when aggregating subgroup statistics.

This question belongs to: Accountancy and Statistics Statistics

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