If a random variable X has a Poisson distribution such that P(X=2)=P(X=3) then its mean and variance are

If a random variable X has a poisson distribution such that P(X=1)=P(X=2), its mean and variance are

If a random variable X has a Poisson distribution such that P(X=1)=P(X=2) then I: its mean is 2 II: its variance is 1

If a random variable X has a Poisson distribution such that P(X=1)=P(X=2) then I: its mean is 2 II: its variance is 1

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

If a random variable X has a Poisson distribution with parameter 2, then P(X gt 3)=

If a random variable X has a Poisson distribution with parameter 1//2 , then P(X=2)=

If a random variable X has a Poisson distribution with parameter 1//2 , then P(X=2)=

If X has a poisson distribution such that P(x=2)=(2)/(3)P(x=1) then P(x=3) is

A random variable X has Poisson distribution with mean 2 .Then P(X>= 2) equals