# Probability Distribution Function

Suppose that the random variable y is described by the following probability distribution function: f(y) = 2/9y for 0<or=y<or=3 and it is 0 elsewhere.

a.) Find P(0.50<or=y<or=1.50)

b.) Find the mean and variance of y.

https://brainmass.com/statistics/probability/probability-distribution-function-21344

#### Solution Summary

Suppose that the random variable y is described by the following probability distribution function: f(y) = 2/9y for 0<or=y<or=3 and it is 0 elsewhere.

a.) Find P(0.50<or=y<or=1.50)

b.) Find the mean and variance of y.

$2.49