Conditional probability P(A|B) is defined only when: MCQ with Answer and Explanation

Question

Share Report Error

Conditional probability P(A|B) is defined only when:

A. P(A) > 0

B. A and B are independent

C. A and B are mutually exclusive

D. P(B) > 0

Answer: Option D

Solution (By JKSSB Mock Tests)

The definition P(A|B) = P(A∩B)/P(B) requires P(B) > 0.

This question belongs to: Accountancy and Statistics Statistics

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Statistics Questions

Question #1

If the current WPI is 140 and base year WPI is 100, the inflation rate is:

A. 140%

B. 40%

C. 100%

D. 28.6%

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option B

Explanation:
Inflation rate = (140 - 100)/100 × 100% = 40%.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Standardized death rate by direct method is computed as:

A. Simple average of age-specific rates

B. Σ (M_x × p_x) where M_x are standard rates

C. Crude death rate of standard population

D. Σ (m_x × P_sx) / Σ P_sx, where m_x are age-specific death rates of study population and P_sx are standard population age distribution

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option D

Explanation:
Direct standardization applies observed rates to a standard population structure.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The CPI-IW base year 2016 is compiled by:

A. NSO

B. CSO

C. Labour Bureau

D. RBI

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option C

Explanation:
Labour Bureau compiles CPI-IW.

This question belongs to: Accountancy and Statistics Statistics

Explore All Statistics MCQs