If X is a Poisson variate such that `P(X=2)=9P(X=4)+90P(X=6)`, then mean of X is

If X is a Poisson variate such that P(X=3)=P(X=2) , then P(X=4)=

If X is a Poisson variate such that P(X=2)=9P(X=4) , then the mean and variance of X are

If X is a poisson variable such that 2P(X=0)+P(X=2)=2P(X=1) then E(X)=

If X is a Poisson variable with P(X=0)=P(X=1) then P(X=2)=

A : If X is a poisson variate such that P(X=2)=9P(X=4) then variance =2//3 R : The variancen of a poisson variate with parameter lambda .

X is a Poisson variate and 2P(X=1)=P(X=2). Then P(X=2)=

If X is a Poisson variate and P(X=1)=2P(X=2) them P(X=3)=