Question
Download Solution PDFConsider a random variable to which a Poisson distribution is best fitted. It happens that
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
It follows a Poisson distribution as the probability of occurrence is very small.
where mean E(x) = variance Var (x) = λ and standard deviation (σ) =
Calculation:
Given:
For Poisson distribution:
⇒ λ = 3
For Poisson distribution,
Mean = Variance = λ
∴ Variance of this distribution = 3
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