Home
Class 12
MATHS
A random variable X takes the values 0, ...

A random variable X takes the values 0, 1, 2, 3 and its mean is `1.3`.
If `P(X= 3) = 2P(X= 1)` and `P(X= 2) = 0.3`,
then `P(X= 0)` is equal to

A

(a) 0.1

B

(b) 0.2

C

(c) 0.3

D

(d) 0.4

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

A random variable X takes the values 0,1,2,3,..., with prbability P(X=x)=k(x+1)((1)/(5))^x , where k is a constant, then P(X=0) is.

A random variable X takes the value 1,2,3 and 4 such that 2P(X=1)=3P(X=2)=P(X=3)=5P(X=4) . If sigma^(2) is the variance and mu is the mean of X then sigma^(2)+mu^(2)=

A random variable X takes values 1,2,3 and 4 with probabilities (1)/(6),(1)/(3),(1)/(3),(1)/(6) respectively, then its mean and variance is equal to

If P(A) = P(B) = x and P(A nn B) = 0.14, then P(A' nn B') =(1)/(3) , then find the value of x

If the random variable X takes the values x_1,x_2,x_3….,x_(10) with probablilities P (X=x_i)=ki , then the value of k is equal to

Let X be a random variable which assumes values x_1, x_2, x_3,\ x_4 such that 2P(X=x_1)=3P(X=x_2)=P(X=x_3)=5P(X=x_4)dot Find the probability distribution of X.