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    Ikibah Posts: 11, Reputation: 1
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    #1

    Mar 7, 2013, 01:41 PM
    Confidence intervals
    How do I enter something like this in my calculator to solve it?

    0.159 - 1.96 * the squared results of 0.159 * 0.841 / 1721... the answer should be 0.142 but I can't get it no matter how I enter it.


    Thanks a lot!

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