GATE CS 2017 Set 2 — Question 48
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Engineering Mathematics → Probability & Statistics → Discrete Distributions
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Question
If a random variable has a Poisson distribution with mean 5, then the expectation equals __________.
Correct answer
54 to 54
Solution
For a Poisson distribution with mean :
We know that , so:
.
We need to find :
Substituting the known values:
.
We know that , so:
.
We need to find :
Substituting the known values:
.
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