Bayes' Theorem is primarily used to calculate: MCQ with Answer and Explanation

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Bayes' Theorem is primarily used to calculate:

A. Prior probabilities

B. Marginal probabilities

C. Posterior probabilities

D. Joint probabilities

Answer: Option C

Solution (By JKSSB Mock Tests)

Bayes' theorem updates prior probabilities using new evidence to compute posterior probabilities.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

In a frequency distribution, the number of observations falling in a class is called:

A. Class width

B. Class limit

C. Class mark

D. Class frequency

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Correct Answer: Option D

Explanation:
Class frequency is the count of data points within a particular class interval.

This question belongs to: Accountancy and Statistics Statistics

Question #2

If a time series index shows that prices have doubled from base year, the index is:

A. 1000

B. 50

C. 100

D. 200

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Correct Answer: Option D

Explanation:
Doubling means 100% increase, so index = base (100) + 100 = 200.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The dependency ratio in India has been declining primarily due to:

A. Declining fertility

B. Increasing old age population

C. Increasing mortality

D. Emigration

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Correct Answer: Option A

Explanation:
Falling birth rates reduce the proportion of children (0-14), lowering the dependency ratio, at least in the short-medium term.

This question belongs to: Accountancy and Statistics Statistics

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