k (5) If P(x)= x= 0,1,2,3,4, is probability density function of x, х! (4— х)! then k equals to (а) 3/4 (b) 3/2 (c) 2 (d) 3 (e) None of these a is the correct answer b is the correct answer c is the...

Extracted text: k (5) If P(x)= x= 0,1,2,3,4, is probability density function of x, х! (4— х)! then k equals to (а) 3/4 (b) 3/2 (c) 2 (d) 3 (e) None of these a is the correct answer b is the correct answer c is the correct answer d is the correct answer e is the correct answer