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March 25, 2017

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suppose x is a uniform random variable with c=30 and d=80 find the probability that a randomly selected observation exceeds 50


this is the direct question, i have no idea how to work this problem, please help

  • statistics - ,

    I have no idea what c and d indicate.

    Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

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