In Bayes' theorem, the initial probabilities before observing evidence are called: MCQ with Answer and Explanation

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In Bayes' theorem, the initial probabilities before observing evidence are called:

A. Posterior probabilities

B. Marginal probabilities

C. Prior probabilities

D. Likelihoods

Answer: Option C

Solution (By JKSSB Mock Tests)

Prior probabilities represent the initial degree of belief.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

In a mail survey, which technique can help increase the response rate?

A. Providing a cover letter explaining the study's importance

B. Using complex wording

C. Making the questionnaire extremely long

D. Eliminating follow-up reminders

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Correct Answer: Option A

Explanation:
A well-written cover letter that explains the purpose and assures confidentiality can motivate respondents to participate.

This question belongs to: Accountancy and Statistics Statistics

Question #2

According to Census 2011, the most populous state in India is:

A. Uttar Pradesh

B. West Bengal

C. Maharashtra

D. Bihar

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Correct Answer: Option A

Explanation:
Uttar Pradesh has the highest population among Indian states as per Census 2011.

This question belongs to: Accountancy and Statistics Statistics

Question #3

In a classroom, the average weight of 20 boys is 60 kg and that of 30 girls is 50 kg. The combined average weight of all students is:

A. 52 kg

B. 54 kg

C. 53 kg

D. 55 kg

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Correct Answer: Option B

Explanation:
Combined mean = (20×60 + 30×50) / 50 = (1200+1500)/50 = 2700/50 = 54 kg.

This question belongs to: Accountancy and Statistics Statistics

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