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Poisson distribution - class-XII
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Multiple Choice
In a poisson distribution, the variance is $m$ . The sum of terms in odd places in the distribution is
- $e^{-m}$
- $e^{-m} \cos \, h \, (m)$
- $e^{-m} \sin \, h \, (m)$
- $e^{-m} \cot \, h \, (m)$