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Statistics

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Find the probability that for a random sample of 4 states the sample mean x is between 475 and 525

  • Statistics (incomplete) -

    We do not have your data.

    Z = (score-mean)/SEm

    SEm = SD/√n

    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 scores.

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