Guest Session: 1 Question Remaining. Create Account to save progress.
Login
Distributionsmedium
0:00.0

A discrete random variable XXX has probability mass function P(X=k)=k6P(X=k) = \frac{k}{6}P(X=k)=6k​ for k∈{1,2,3}k \in \{1, 2, 3\}k∈{1,2,3}. What is the expected value E[X]E[X]E[X]?