complement

  1. I

    Probability Question!

    The probability that a person in the United States has dark brown eye color is 18%. Three unrelated people in the United States are selected at random. a) What is the probability that all three have dark brown eye colour ? b) What is the probability that at least one person has dark brown eye...
  2. M

    Standard uniform distribution

    My book says: if x has a standard uniform function then y=1-x also has a standard uniform function. When I try to draw y I get y=0 for 0<=x=>1. Is this correct?
  3. O

    An event and its complement

    My wife was overdue clearing customs so I thought the probability of her showing up any minute was increasing. But then I thought, suppose -there is a snag in customs? -something else happened? -she is somehow not on this flight at all? so the probability of her NOT showing up any...