Let the random variable X follow B (6,p). If 16 `P(X = 4) = P(X= 2)`, then what is the value of p?

If X ~ B (6,p) and 2. P (X =3) =P (X= 2) then find the value of p

A binomial random variable X, 5P(X = 3) = 2P(X = 2), when n = 5. Find the value of parameter p.

A binomial random variable X satisfies the relation 9P(X=4)=P(X=2) when n=6. Find the value of the parameters p.

Suppose that a random variable X follows Poisson distribution . If P(X=1)=P(X=2)then P(X=5)=

A random variable X has the following p.m.f. If p+q=1 , then the variance of X is

A binomial random variable X ·satisfies the reiation 9P(X = 4) = P(X =2) when n= 6. Find the parameter p.

A random variable X takes the values 0,1 and 2 .If P(X=1)=P(X=2) and P(X=0)=0.4 ,then the mean value of the random variable X is