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Math Help - Help with Continuous random variable : Uniform distribution!!

  1. #1
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    Angry Help with Continuous random variable : Uniform distribution!!

    the question is

    Let W ~ Uniform [1,4]. Compute:
    P(W>=5)

    the book says from the intro (not the answer)
    P(a<=x<=b) = b-a / R - L


    so using this i get

    inf - 5 / 4 - 1

    so inf / 3

    so inf = P(W>=5)

    but this doesn't make sense to me...
    What am i doing wrong?
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  2. #2
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    Can W\ge 5?
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