Home
Class 12
MATHS
A random variable X has the following di...

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

`=pm(1)/(2)`

B

`pm(1)/(8)`

C

`pm(1)/(4)`

D

`+(1)/(10)`

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 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):,-2,-1,0,1,2,3),(P(X=x_(1)):,0.1,k,0.2,2k,0.3,k):} The value of k and its mean and variance are

X is a random variable with distribution given below {:(x:,0,1,2,3),(P(X=x):,k,3k,3k,k):} The value of k and its variance are

If the probability of a random variable X is a given below : {:(X=x:,-2,-1,0,1,2,3),(P(X=x):,(1)/(10),k,(1)/(5),2k,(3)/(10),k):} Then the value of k, is :

The probability distribution of a random variable is given below: {:(X=x,0,1,2,3,4,5,6,7),(P(X=x),0,k,2k,2k,3k,k^(2),2k^(2),7k^(2)+k):} Then P(0 lt X lt 5)=

A random variable has the following distribution. {:(x=x_(i),,-3,,-2,,-1,,0,,1,,2),(P(x=x_(i)),,0.1,,2K,,3K,,7K,,0.2,,0.1):} Then for the values, A = K, B = Mean, C = Variance, the ascending order is

A discrete random variable X has the probability distribution given below: X :0. 511. 52 P(X):kk^22k^2k Find the value of kdot (ii) Determine the mean of the distribution.

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

A random variable X has the following probability distribution: X: 0 1 2 3 4 5 6 7 , P\ (X): 0 K 2K 2K 3K K^2 2K^2\ 7K^2+K Determine: (i) K (ii) P(X 6) (iv) P (0 < X < 3)

A random variable X has the following distribution . The value of k and P ( X lt 4) are equal to