If for a Poisson variable X, f(2) = 3 f(4), what is the variance of X?
CA Foundation · Quantitative Aptitude · MTP · January 2025
If for a Poisson variable X, f(2) = 3 f(4), what is the variance of X?
Suggested Answer and Working Notes:
Correct Answer: Option (A)
A. 2
Topics: Part-C: Statistics
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