Allied & ICAR Exam Bank • ALLIED_0092 NAT • 1 Mark

Section 1: Engineering Mathematics

Probability and Statistics

Subtopic: Poisson, normal and binomial distributions

Question Statement:

In a Poisson distribution, if the variance is $4$, the mean is:

Answer Key:

4

Step-by-Step Solution & Explanation

For a Poisson distribution, the mean and variance are equal: $\text{Mean} = \text{Variance} = \lambda = 4$.
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