Answer (Choose 1 answer)
(See picture)
A. 3
B. 3/4
C. 1/3
D. 4/3
Determine the constant c so that f(x) = c(0.25x) satisfies the conditions for being a probability mass function of some random variable X = {1, 2, 3, ....}.
E. None of the other choices is correct
8