Given XXX is a discrete random variable where P(X=k)=CP(X=k) = CP(X=k)=C for k∈{1,2,3,4,5}k \in \{1, 2, 3, 4, 5\}k∈{1,2,3,4,5}, what is the value of CCC?
0.1
0.2
0.25
0.5