Let f(x) = k(5x - x^2). If 0 <= x <= 5 and f(x) = 0 if x < 0 or x > 5, which of the following values of k would make f a probability density function?
A) k =
B) For that value of k, what is P(x > 1)?
A) P(x > 1) =
C) Find the