First slide

Random variable and probability distribution

Question

In a poisson distribution, the variance is m. The sum of terms in even places in the distribution is

Moderate

A

$e^{- m}$
B

$e^{- m} cos h (m)$
C

$e^{- m} \sin h (m)$
D

$e^{- m} \cot h (m)$

Solution

$p (X = 1) + p (X = 3) + p (X = 5) + ..............$

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