Bayes’ Theorem MCQs with Answers
Bayes’ Theorem – MCQs with Answers & Explanations
Class: CBSE Class 12
Subject: Mathematics
Section: Probability
Topic: Bayes’ Theorem MCQs with Answers
Exam Focus: CBSE Board Examinations
Subject: Mathematics
Section: Probability
Topic: Bayes’ Theorem MCQs with Answers
Exam Focus: CBSE Board Examinations
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus and are ideal for CBSE Class 12 Board Examination preparation. Each answer includes a concept-clearing explanation.
1. Bayes’ theorem is used to find:
Answer: A
Bayes’ theorem updates prior probability using new evidence.
Bayes’ theorem updates prior probability using new evidence.
2. Bayes’ theorem is based on:
Answer: B
It uses definition of conditional probability.
It uses definition of conditional probability.
3. P(Ai|B) equals:
Answer: A
Standard Bayes’ theorem formula.
Standard Bayes’ theorem formula.
4. Events A₁, A₂,…An form:
Answer: A
They are exhaustive and mutually exclusive.
They are exhaustive and mutually exclusive.
5. Denominator P(B) found using:
Answer: A
6. Posterior probability means:
Answer: A
7. Prior probability refers to:
Answer: A
8. Bayes theorem applicable when events are:
Answer: A
9. Total probability P(B)=
Answer: A
10. Bayes theorem useful in:
Answer: D
11. Posterior depends on:
Answer: A
12. Likelihood means:
Answer: A
13. Bayes theorem revises:
Answer: A
14. Partition events are:
Answer: C
15. Denominator ensures:
Answer: A
16. Bayes theorem derived from:
Answer: A
17. Used in decision theory:
Answer: A
18. Posterior probability range:
Answer: A
19. Bayes theorem belongs to:
Answer: A
20. It updates belief using:
Answer: A