Discrete random variables

Show transcribed image text 2. A discrete random variable, Y, has probability mass function PY(y) = { c(y-3)^2 y = -2,-1,0,1,2 0 otherwise (a) Find the value of the constant c. (b) Give the cumulative distribution function of Y (c) Find the mean and variance of Y
2. A discrete random variable, Y, has probability mass function PY(y) = { c(y-3)^2 y = -2,-1,0,1,2 0 otherwise (a) Find the value of the constant c. (b) Give the cumulative distribution function of Y (c) Find the mean and variance of Y





