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Signals and systems electrical engineering miscellaneous

  1. A random variable X has probability density function f(x) as given below.
    ƒ(x) =
    a + bx,
       
    0 ≤ x < 1
    0   otherwise

    If the expected value E[X] = 2/3, then Pr[X < 0.5] is _______.
    1. 0.125
    2. 0.304
    3. 0.25
    4. 0.259
Correct Option: C



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