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

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

If the random variable 1 follows a Poisson distribution with mean 3 then P(X=0) is

If X has a Poisson distribution such that P(x=2)=2/3 P(x=1) then find the value of P(x=3)

Let a random variable X have a binomial distribution with mean 8 and variance r. If P(X le 2 ) = (k)/(2^(16)) , then k is equal to

A randam variable X has Poisson's distribution with mean 2. Then , P(X)gt 1.5) is equal to

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

Let a random variable X have a binomial distribution with mean 8 and variance 4. If P(x le2)=(k)/(2^(16)) , then (k-47)/(10) is equal to __________.

A random variable X has poisson's distribution with mean 3. Then find the value of P(Xgt2.5) .

If a random variable X follows binomial distribution with mean 3 and variance 3/2, find P(Xlt=5)dot