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The variance of the random variable x is

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+1 vote
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in Electronic Devices & Circuits by (272k points)
The variance of the random variable x is

(a) 1/10

(b) 3/80

(c) 5/16

(d) 3/16

This question was posed to me by my college director while I was bunking the class.

The origin of the question is Continous Time Signals topic in portion EDC Overview of Electronic Devices & Circuits

1 Answer

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Best answer
Right choice is (b) 3/80

To explain I would say: Variance is given by E[X^230] – 1/16.

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