Bayes' theorem is primarily used to compute: MCQ with Answer and Explanation

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Bayes' theorem is primarily used to compute:

A. Joint probability

B. Marginal probability

C. Posterior probability

D. Prior probability

Answer: Option C

Solution (By JKSSB Mock Tests)

Bayes' theorem updates prior beliefs with new evidence to yield posterior probabilities.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Fisher's ideal index is the geometric mean of:

A. Simple aggregative and weighted average

B. WPI and CPI

C. Laspeyres and Paasche indices

D. Time reversal and factor reversal

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Correct Answer: Option C

Explanation:
Fisher = √(Laspeyres × Paasche).

This question belongs to: Accountancy and Statistics Statistics

Question #2

Which of the following is a component of HDI (Human Development Index)?

A. Crude Death Rate

B. Net Reproduction Rate

C. Gross Reproduction Rate

D. Life expectancy at birth

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Correct Answer: Option D

Explanation:
HDI includes life expectancy, education, and income.

This question belongs to: Accountancy and Statistics Statistics

Question #3

In a box of 100 bulbs, 10 are defective. Two bulbs are chosen at random. The probability that both are non-defective is:

A. (90/100)²

B. 90/100 × 89/99

C. 1 - (10/100)²

D. 89/110

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Correct Answer: Option B

Explanation:
P(first non-defective)=90/100, second non-defective=89/99, product.

This question belongs to: Accountancy and Statistics Statistics

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