A random variable x has the following distribution .
`{:(x,1,2,3,4),(f(x),k,2k,4k,3k):}`
Then its mean is :

A random variable X has the following distribution {:(X=x_(1):,1,2,3,4),(P(X=x_(1)):,k,2k,3k,4k):} The value of k and P(X lt 3) are equal to

A random variable X has the following distribution {:(X=x_(1):,1,2,3,4),(P(X=x_(1)):,k,2k,3k,4k):} The value of k and P(X lt 3) are equal to

A random variable X has the following distribution {:(x:,1,2,3,4),(P(X=x):,k^(2),3k^(2),5k^(2),7k^(2)):} The value of k is

A random variable X has the following distribution {:(x:,1,2,3,4),(P(X=x):,k^(2),3k^(2),5k^(2),7k^(2)):} The value of k is

A random variable X has the following distribution function: Find k.

A random variable X has the following probability distribution. Find k

A random variable X has the following probability distribution find K.

If X is a random variable with the following distribution then k is