The concept of 'conditional probability' is needed when: MCQ with Answer and Explanation

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The concept of 'conditional probability' is needed when:

A. Events are independent

B. We want the probability of an event given that another event has already occurred

C. We sum probabilities

D. Events are mutually exclusive

Answer: Option B

Solution (By JKExamLibrary)

Conditional probability deals with the updated probability after knowing another event has occurred.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

Which of the following is an example of probability sampling?

A. Judgment sampling

B. Convenience sampling

C. Quota sampling

D. Simple random sampling

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Correct Answer: Option D

Explanation:
Probability sampling involves random selection; simple random sampling is a basic method.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

The sum of deviations from the mean is always zero because:

A. Positive and negative deviations cancel out

B. Mean is the midpoint

C. Data are symmetric

D. All deviations are equal

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Correct Answer: Option A

Explanation:
Σ (x - x̄) = 0 is an algebraic property.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Maternal Mortality Ratio (MMR) is expressed per:

A. 1000 women

B. 10,000 live births

C. 100,000 live births

D. 1000 live births

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Correct Answer: Option C

Explanation:
MMR is the number of maternal deaths per 100,000 live births.

This question belongs to: Accountancy and Statistics Statistics

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