Home
Class 12
MATHS
If mu " and " sigma^(2) are the mean and...

If `mu " and " sigma^(2)` are the mean and variance of the discrete random variable X, and `E(X+3)=10` and `E(X+3)^(2)=116`, find `mu " and " sigma^(2)`.

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY DISTRIBUTIONS

    PREMIERS PUBLISHERS|Exercise EXERCISE 11.5|18 Videos

  • PROBABILITY DISTRIBUTIONS

    PREMIERS PUBLISHERS|Exercise EXERCISE 11.6|20 Videos

  • PROBABILITY DISTRIBUTIONS

    PREMIERS PUBLISHERS|Exercise EXERCISE 11.3|16 Videos

  • ORDINARY DIFFERENTIAL EQUATIONS

    PREMIERS PUBLISHERS|Exercise PROBLEMS FOR PRACTICE (ANSWER THE FOLLOWING QUESTIONS )|22 Videos

  • THEORY OF EQUATIONS

    PREMIERS PUBLISHERS|Exercise Problems for practice (Answer the following)|21 Videos

Similar Questions

Explore conceptually related problems

The variance of the random variable X is equal to

If X is a discrete random variable P(X gta) is equal to

Variance of the random variable X is 4 . Its mean is 2 . Then E (X^(2)) is …………. .

The random variable X has variance 4 and E(x^(2))=8 , then the mean of x is

The probability distribution of a discrete random variable x is given by The value 6E(X^(2))-Var(x) is

A discrete random variable X has probability mass function P(x) then

Variance =20 and E(X^(2)) =276 for discrete random variable then the mean of the random variable is

Find the mean and variance of the distribution f(x) = {(3e""^(-3x),0lt xltoo),(0,"elsewhere"):}

If X is a binomial random variable with expected value 6 and variance 2.4, then P(X=5) is

Given E(X)=10, Var(X)=25 where X is a random variable and Y=aX-b is also a random variable with mean =0 and variance=1 , then a and b are