Px(X) = M exp(- 2 |x|) + N exp(- 3 |x|) is the probability density function for the real random variable X, over the entire x axis. M and N are both positive real numbers. The equation relating M and N is

Px(X) = M exp(- 2 |x|) + N exp(- 3 |x|) is the probability density fun

1.	Px(X) = M exp(- 2 \|x\|) + N exp(- 3 \|x\|) is the probability density function for the real random variable X, over the entire x axis. M and N are both positive real numbers. The equation relating M and N is
A.	<img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/5-04-29-1.png">
B.	<img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/5-04-29-2.png">
C.	M + N = 1
D.	M + N = 3
Answer» B. <img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/5-04-29-2.png">