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Questions › GATE › GATE 2026 › Q41
1 markStatistics › Random variables and standard distributions › The Poisson distributionEasyabout 1 min

GATE 2026 Question 41: Random variables and standard distributions

Suppose, a random variable XXX follows a Poisson distribution with parameter λ=25\lambda=25λ=25. The coefficient of variation of the distribution is ______ (rounded off to two decimal places)

Answer and worked solution

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Plain-text version

Suppose, a random variable X follows a Poisson distribution with parameter λ=25. The coefficient of variation of the distribution is (rounded off to two decimal places)

Also written as: Suppose, a random variable X follows a Poisson distribution with parameter lambda=25. The coefficient of variation of the distribution is (rounded off to two decimal places)

Random variables and standard distributions has come up 173 times in 7 exams since 2005.

What this question tests

This question is on The Poisson distribution, part of Random variables and standard distributions in Statistics.

Counts of rare events, where mean equals variance.

TestStop has 9 past-paper questions on this subtopic.

Take this paper as a timed mockMore on The Poisson distribution

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Question from the GATE 2026 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.