SOLUTION: the z-value for a confidence level of 80% is

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Question 632206: the z-value for a confidence level of 80% is
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
the z-value for a confidence level of 80% is
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You have two 10% tails.
z-value is +-1.2816
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Cheers,
Stan H.

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