Let Y = ln(X). Find the PDF of Y.
5. Let X be a Gaussian random variable with mean μ and variance σ^2.
a) Find P[X < μ].
b) Find P[|X - μ| > kσ], for k = 1, 2, 3, 4, 5, 6.
c) Find the value of k for which Q(k) = P[X > μ + kσ] = 10^(-j), for j = 1, 2, 3, 4, 5, 6.