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Math Help - Simple problem (confidence intervals)

  1. #1
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    Simple problem (confidence intervals)

    My textbook provides a step by step instruction on how to solve a problem, but I still don't get it. The problem is:

    5.6 - 2.58(0.8 divided by the square root of 30) = 5.2

    Sorry I can't notate it properly. Let me know if there are any problems understanding it.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by endlesst0m View Post
    My textbook provides a step by step instruction on how to solve a problem, but I still don't get it. The problem is:

    5.6 - 2.58(0.8 divided by the square root of 30) = 5.2

    Sorry I can't notate it properly. Let me know if there are any problems understanding it.
    What is the problem the arithmetic or where this came from?

    If the latter please post the question, if the former consult your calculator's manual.

    CB
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