Question 1114993
 I need help please!
Determine the level of the confidence given the confidence coefficient z(α/2) for the following situation: 
z(α/2) = 2.58 ---
Confidence = 1-2*normalcdf(2.58,100) =1-2*0.00494 ~1-2*0.005 = 1-1% = 99%
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Cheers,
Stan H.
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