If X is a random variable with the following distribution
`X=x_(i)`:-a,b
`p(X=x_(i))`:-p,q
Where p+q=1, then the variance of x is

A random variable has the following probability distribution: X=x_(i):12 34P(X=x_(i)):k2k3k4k Write the value of P(X>=3)

Find the mean variance and standard deviation of the following probability distribution x_(i):aquad bpp_(i):pq where p+q=1

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

A random variable X has the following probability distribution: Determine : (i) k (ii) P(X lt 3) (iii) P(X gt 4)

A random variable X has the following probability distribution: Determine (i) k (ii) P(X 6) (iv) P(0

The mean and variance of the random variable X which follows the following distribution are respectively. X = x:- 1 2 3 4 p( X = x):- 0.1 0.2 0.3 0.4

A random variable 'X' has the following probability distribution : Find : (i) the value of K (ii) P(X le 1) (iii) P(X ge 0) .

If the probability distribution of a random variable X is as given below: X=x_(i):1234P(X=x_(i)):c2c3c Write the value of P(X<=2)

A random variable X has the following probability distribution: Determine (i) k, (ii) P(X lt 3) ,(iii) P(0 lt X lt 3), (iv) P (X gt 4) .