CUET Preparation Today
CUET
-- Mathematics - Section B2
Probability Distributions
If a random variable X follows Poisson distribution such that P(X=1)= 2P(X=2), then P(X=4) is :
$\frac{1}{e}$
$\frac{1}{24e}$
$\frac{1}{4e}$
$\frac{1}{12e}$
