# Probability mass function

Not what you're looking for? Search our solutions OR ask your own Custom question.

2.) Suppose X has probability mass function Pr{X = k} = c(k + 2) for k = -1, 0, 1, 2 . Find c, and compute the mean, variance, and standard deviation of X.

Let Y = 3X + 5. Compute the mean, variance and standard deviation of Y

https://brainmass.com/math/probability/probability-mass-function-10816

#### Solution Summary

Given probability mass function the solution calculates mean, variance, and standard deviation.

$2.49