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Math Help - When performing a Hypothesis Test, I got a z-score of 20.204. Is that possible?

  1. #1
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    When performing a Hypothesis Test, I got a z-score of 20.204. Is that possible?

    If so, how do I find the p-value of such a z-score?

    For those wondering, it was a "difference between two proportions" test I done.
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  2. #2
    Super Member Random Variable's Avatar
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    It's possible. The p-value would then be approximately zero, which would mean that you could reject the null hypothesis in favor of the alternative hypothesis at any alpha level.

    EDIT: Well, technically you still couldn't reject it at  \alpha =0 .
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