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  1. C

    Is this is an obvious or tricky question?

    This is definitely correct. Sometimes conditional pdf's are not unique, and so I wonder if that would apply here. (i.e., does the Borel paradox have any bearing here?) But I'm quite happy with the answer, yes.
  2. C

    Is this is an obvious or tricky question?

    Thanks. I figured it out at some point, and I'm impressed you answered with an Excel example! I'm not sure it's the only valid answer (lack of conditionals uniqueness), but it's certainly the most intuitive! Thanks again.
  3. C

    Is this is an obvious or tricky question?

    Suppose I have two distributions, N(0,1) and N(1,1), and I pick one with half probability. Then, I take a draw, and observe it is equal to 0.7. Is there a way to calculate the probability that it was generated by one distribution or the other? Thanks!