SOLUTION: Determine the level of the confidence given the confidence coefficient z(α/2) for the following situation: z(α/2) = 2.58

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Question 572905: Determine the level of the confidence given the confidence coefficient z(α/2) for the following situation:
z(α/2) = 2.58

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Determine the level of the confidence given the confidence coefficient z(α/2) for the following situation:
z(α/2) = 2.58
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Right tail = normalcdf(2.58,100) = 0.0049
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2*0.0049 = 0.0099
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Rounding get 0.01 or 1% in the 2 tails.
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Level of confidence = 99%
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Cheers,
Stan H.