Home » Signals and Systems » Signal and systems miscellaneous » Question

Signal and systems miscellaneous

Easy Questions
Moderate Questions
Difficult Questions

Signals and Systems

Signal and systems miscellaneous
  1. The pdf for a random variable x is given
    fx(x) =
    a(x – 1); 1 ≤ x ≤ 4
    0; otherwise

    then a is—
    1. 1
      9
    2. – 1
      9
    3. 2
      9
    4. – 2
      9
Correct Option: C

Fx(n) = ∞Fx(x) dω
– ∞

1 = 4a(x – 1)dω
1

1 = a
x2
– x4
21

1 =
9
a
2

or a =
9
2


Your comments will be displayed only after manual approval.