Bayes' theorem is based on the concept of: MCQ with Answer and Explanation

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Bayes' theorem is based on the concept of:

A. Disjoint events

B. Unconditional probability

C. Joint probability only

D. Conditional probability

Answer: Option D

Solution (By JKSSB Mock Tests)

Bayes' theorem expresses the conditional probability P(A|B) in terms of P(B|A) and prior probabilities.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

A histogram is used for representing:

A. Discrete data

B. Cumulative frequencies

C. Qualitative data

D. Continuous frequency distribution

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Correct Answer: Option D

Explanation:
Histogram is for continuous data, with adjacent bars touching.

This question belongs to: Accountancy and Statistics Statistics

Question #2

In questionnaire design, a 'double-barreled question' is problematic because it:

A. Uses technical jargon

B. Asks about two different issues in one question, confusing respondents

C. Requires numerical answers

D. Is too long for respondents to read

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Correct Answer: Option B

Explanation:
Double-barreled questions (e.g., 'Do you find the product affordable and high-quality?') conflate two attributes, making responses ambiguous and uninterpretable for either dimension.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If (A)=80, (B)=60, N=100, and (AB)=50, the value of (Aβ) is:

A. 40

B. 30

C. 10

D. 20

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Correct Answer: Option B

Explanation:
(Aβ) = (A) - (AB) = 80 - 50 = 30.

This question belongs to: Accountancy and Statistics Statistics

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