5. Let's say we have a discrete random variable X whose PMF px is defined as follows: 0.75 Px (k) := 0.3 x 0.7*-1+ 5 for k = 1, 2, 3, 4, 5 (1) What is the value of H [X] in bits? A. 40.7706 B. 2.2054 C. 1.5287 D. 28.2600