For a probability of a random variable x is given below : X: 1 2 4 5 6 P: 0.15 0.25 0.2 0.3 0.1 What is the Standrard deviation of x ?

CA Foundation · Quantitative Aptitude · MTP · September 2025
For a probability of a random variable x is given below : X: 1 2 4 5 6 P: 0.15 0.25 0.2 0.3 0.1 What is the Standrard deviation of x ?
(A) A. 1.49
(B) B. 1.56
(C) C. 1.69
(D) D. 1.72

Suggested Answer and Working Notes:

Correct Answer: Option (C)

C. 1.69

Topics: Part-C: Statistics

Open in Interactive Practice Hub · Full Practice Hub · Chapter Weightage · More in this subject

Related Questions in this Topic