Mean Of Probability Distribution

Another name for the mean of a probability distribution is expected value.

Binomeal Probability|| Distribution||Mean|| Variance|| Illustration on Bay's Theorem

Binomeal probability || Distribution,mean,variance || illustration on bay's theorem

Find the mean of the probability distribution of the number of doublets in three throws of a pair of dice.

two cards are drawn successively with replacement from a pack of 52 cards.Find the probability distribution of the number of diamonds and the mean of the distribution.

A random variable X can attain only the value 1,2,3,4,5 with respective probabilities k,2k,3k,2k,k. if m is the mean of the probability distribution, then (k,m) is equal to

Two numbers are selected at random (without replacement) from positive integers 2,3,4,5,6, and 7. Let X denote the larger of the two numbers obtained.Find the mean and variance of the probability distribution of X .

Two numbers are selected are random (without replacement) from positive integers 2,3,4,5,6 and 7. Let X denote the larger of the two numbers obtained.Find the mean and variance of the probability distribution of X.

A discrete random variable X has the probability distribution as given below (i) Find the value of k. (ii) Determine the mean of the distribution.