Spiegare gentilmente i ragionamenti e argomentare.
a) Pr [X >= 1] = e^(-1*L) = e^(-L)
b) Pr [ 1 <= X <= 4 ] = e^(-1*L) - e^(-4*L) = e^(-L) - e^(-4L)
c) Pr [ X <= 2 ] = S_[0,2] L e^(-Lx) dx = L [e^(-Lx)/(-L)]_[0,2] = [e^(-Lx)]_[2,0] =
= 1 - e^(-2L)