Let x and y be two independent random variables having variances k and 2 respectively. If the variance of `z=3y-x` be 25, find k.

Similar Questions

Explore conceptually related problems

Let x and y be two independent random variables having variance k and 2 respectively if the variance of z=3y -x be 25 find k

If x and y are random variables having expected values as 4.5 and 2.5 respectively, then the expected value of (x-y) is

The mean and variance of a random variable X having binomial distribution are 4 and 2 respectively. Then P(x gt 6)=

The mean and variance of a random variable X having a binomial distribution are 4 and 2 respectively. Then p(x=1) is

The mean and variance of a random variable X having a binomial distribution are 4 and 2 respectively, then P(X=1) is

The mean and variance of a random variable X having binomial distribution are 4 and 2 respectively. Then P(x gt 6)=