Using the joint probability table below, determine P(X = 1, Y = 7). -1 0 3 0.05 0.15 0.05 5 0 0.3 0.15 7 0.1 0.05 0.15 a) 0 0.15 b) 0 0.3 c) 0 0.5 d) 0 0.05 e) 0.65 f) ONone of the above