Conditional probability P(B|A) is defined as P(A ∩ B) / P(A) provided that: MCQ with Answer and Explanation

Question Report Error

Conditional probability P(B|A) is defined as P(A ∩ B) / P(A) provided that:

A. P(A ∪ B) = 1

B. P(B) > 0

C. A and B are independent

D. P(A) > 0

Answer: Option D

Solution (By JKExamLibrary)

The definition of conditional probability requires P(A) > 0 to avoid division by zero; if P(A)=0, P(B|A) is undefined.

This question belongs to: Accountancy and Statistics Statistics

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Statistics Questions

Question #1 Report Error

The sum of deviations from the mean is always zero because:

A. Positive and negative deviations cancel out

B. All deviations are equal

C. Mean is the midpoint

D. Data are symmetric

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
Σ (x - x̄) = 0 is an algebraic property.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

For two attributes, if N=100, (A)=60, (B)=50, the maximum possible value of (AB) is:

A. 100

B. 10

C. 50

D. 60

View Answer & Solution Discuss

Correct Answer: Option C

Explanation:
(AB) cannot exceed either (A) or (B); maximum is min((A),(B)) = 50.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

In tabulation, the title of a table should be placed:

A. At the top

B. At the bottom

C. As a row heading

D. In footnotes

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
The title appears at the top of a table and describes its content.

This question belongs to: Accountancy and Statistics Statistics

Explore All Statistics MCQs