Answer
See below.
Work Step by Step
An initial is the first letter of a name, thus the sample space is every letter in the alphabet: $\{A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z\}$. There are $26$ letters in the alphabet thus the outcome is $26$
