- #1
Jonobro
- 7
- 0
Homework Statement
Let X∼Geometric(1/3), and let Y=|X−5|. Find the range and PMF of Y.
Homework Equations
Px(k) = p(1-p)^(k-1) for x=1,2,3...
3. My attempt at a solution
I set up the PMF for Px
Px(k) = 1/3(2/3)^(k-1) for k = 1,2,3,...
However I don't know how to convert this to Y