Recent content by MadMath

  1. M

    Trying to understand random variables

    Unfortunately everything I posted is already shown in the original post. "Choose a number a random from [-2,4], and let ܺX(ζ) = -ζ + 4. Find the following: (a)P([-2,4]) (b) P({X≤2}) "
  2. M

    Trying to understand random variables

    I just took a look at the problem statement, it does not mention anything about X being uniformly distributed. I fixed the range for part (b). Are real valued random variable problems usually assumed to be uniformly distributed?
  3. M

    Trying to understand random variables

    Homework Statement Let's say you have a number from [-2,4], with X(ζ) = -ζ + 4[/B] Find (a) P([-2,4]) and (b) P({X≤2}) Homework Equations {X = x} = {ζ ∈ S: X(ζ) =x } The Attempt at a Solution It looks like my sample space, S = [-2,4]. (a) For P([-2,4]) {-2 ≤ X ≤ 4} = {ζ ∈ S: -2 ≤ X(ζ) ≤...
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