Bayes' theorem combines prior probability and likelihood to give: MCQ with Answer and Explanation

Bayes' theorem combines prior probability and likelihood to give:
A. Posterior probability
B. Joint probability
C. Conditional probability of the evidence
D. Marginal probability
Answer: Option A
Solution (By JKExamLibrary)
It updates prior beliefs to posterior beliefs after observing evidence.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error
Assertion (A): Direct personal investigation is always the most suitable method for data collection. Reason (R): It provides original and highly accurate data.
A. A is true, but R is false
B. Both A and R are true, but R is not the correct explanation of A
C. Both A and R are true, and R is the correct explanation of A
D. A is false, but R is true

Correct Answer: Option D


Explanation:
Direct personal investigation is not always suitable, especially for very large populations, although it does yield highly accurate data.

This question belongs to: Accountancy and Statistics Statistics
Question #2 Report Error
A person travels from A to B at 40 km/h and returns from B to A at 60 km/h. His average speed for the whole journey is:
A. 50 km/h
B. 45 km/h
C. 48 km/h
D. 52 km/h

Correct Answer: Option C


Explanation:
For equal distances, use Harmonic Mean: 2ab/(a+b) = 2(40)(60)/(100) = 4800/100 = 48 km/h.

This question belongs to: Accountancy and Statistics Statistics
Question #3 Report Error
CPI measures changes in the prices of goods and services purchased by:
A. Manufacturers
B. Consumers
C. Exporters
D. Wholesalers

Correct Answer: Option B


Explanation:
CPI reflects the retail prices paid by households.

This question belongs to: Accountancy and Statistics Statistics