Revision- Random Variables and its Probability Distribution|Questions

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.

Which of the following distributions of probability of random variable X are the probability distributions? X:012P(X):0.60.40.2

Which of the following distributions of probability of random variable X are the probability distributions? X:0123P(X):0.30.20.40.1

Which of the following distributions of probability of random variable X are the probability distributions? X : 0 1 2 3 4 P(X): 0.1 0. 5 0. 2 0. 1 0. 1

A discrete random variable x has the probability distribution given below: X:0.51152P(X):kk^(2)2k^(2)k Find the value of ti.Determine the mean of the distribution.

Discrete random variable || Mean & variable OF random variable || Binomial probability distribution

A random variable X has the probability distribution given below Its variance is

The random variable X has the following probability distribution Then, F(0) is equal to