# Question: Determine the mean and variance of the random variable in 3691

Determine the mean and variance of the random variable in Exercise 3-17.

## Answer to relevant Questions

Determine the mean and variance of the random variable in Exercise 3-19.Let the random variable X have a discrete uniform distribution on the integers. Determine the mean and variance of X.Show that for a discrete uniform random variable X, if each of the values in the range of X is multiplied by the constant c, the effect is to multiply the mean of X by c and the variance of X by c2. That is, show that (cX) = ...Determine the cumulative distribution function of a binomial random variable with n = 3 and p = ¼A particularly long traffic light on your morning commute is green 20% of the time that you approach it. Assume that each morning represents an independent trial. (a) Over five mornings, what is the probability that the ...Post your question