Home
Class 12
MATHS
3 ripe apples are mixed with 7 fresh app...

3 ripe apples are mixed with 7 fresh apples and then 3 apples are selected at random. If random variable X denotes numbers of ripe apple. Find mean of such probability distribution.

Text Solution

Verified by Experts

The correct Answer is:
0.9
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise EXERCISE -13.1 |23 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise EXERCISE -13.2 |30 Videos

  • MATRICES

    KUMAR PRAKASHAN|Exercise Practice Paper - 3 (Section - D)|1 Videos

  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise Practice Paper - 1 (Section - D)|2 Videos

Similar Questions

Explore conceptually related problems

A dice is tossed twice. Find variance if random variable X denotes the numbers of odd integers obtain on it.

Find the probability that a number selected at random from 1 to 100 is a prime number.

A random variable X has the following probability distribution : then P(X le 1) = ….......

What is the mean of f(x)=3x+2 where x is a random variable with probability distribution

Let X be a random variable with probability distribution. then E(5X-2)= ………. .

The probability distribution of random variable X is as follows: Find value of k.

A coin is tossed 19 times random variable X denotes the numbers of heads on it Then for ……….. value of r for P(X = r) is maximum.

Let X be the random variable with following probability distribution. therefore E(X^(2))= ......

Mean and variance of random variable X are 2 and 1 respectively. Then ……….. is the probability that X takes more than one value.