If f is the prob. density function of a continuous random variable X, then
∫(from x to infinity) f(t) dt equals:
a. P(X ≤ x)
b. P(X ≥ x)
c. P(X ≥ t)
d. P(X = x)
e. P(X = t)
I picked B, Im pretty sure about this, but i really do not understand why. can someone help explain to me? thank you