Home
Class 12
MATHS
If X is a random variable with the follo...

If X is a random variable with the following probability distribution

then the variance of X is

A

`(65)/(4)`

B

`(65)/(2)`

C

`(65)/(3)`

D

65

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A random variable X has the following probability distribution : determine the value of a

If X is a random variable with the following distribution where p+q=1 then show that the variance of X is pq(a-b)^(2) .

A random variable 'X' has the following probability distribution : The values of k is

For the following probability distribution. E(X) is equal to

A random variable has the following probability distribution: 1 2 3 4 5 6 7 8 For the events E=[X : X is a prime number ],\ F={X : X<4} , the probability P(EuuF) is 0. 50 b. 0. 77 c. 0. 35 d. 0. 87

A random variable X has the following distribution . The mean and variance of x are

A random variable X has the following distribution

For the following probability distribution. E(X^(2)) is equal to

For the following probability distribution : E(X^(2)) is equal to

A random variable X has the following probability distribution: Determine : (i) k (ii) P(Xlt3) (iii) P(Xgt6) (iv) P(0ltXlt3)