Quiz 4
ECE302: Probability
Spring 2013, Prof. Boutin
Topic: Expectation of discrete random variable
Question
- Let X be a discrete random variable with probability mass function
- $ p_{X}(k) = \frac{C}{3^{\left | k \right |}} , k\in \mathbb{Z} $
- for an appropriate chosen constant C. What is the expectation of X?
Answers and discussion
- Official answer with grading key
- Write your comments/questions here.
- Write your comments/questions here.