1.

A probability density function is given by p(x) = Ke-x2/2 for - < x < , The value of K should be

A. <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/13-173-1.png">
B. <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/13-173-2.png">
C. <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/13-173-3.png">
D. <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/13-173-4.png">
Answer» B. <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/13-173-2.png">


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