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-   -   Find the margin of error given 99% confidence interval; n = 201; x = 270; s = 42. (https://www.askmehelpdesk.com/showthread.php?t=511138)

  • Sep 26, 2010, 05:29 PM
    dcuffee
    Find the margin of error given 99% confidence interval; n = 201; x = 270; s = 42.
    Find the margin of error given 99% confidence interval; n = 201; x = 270; s = 42.
  • Sep 28, 2010, 05:51 AM
    galactus



    The z score for a 99% CI is 2.575

    Just sub in your knowns given.

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