SOLUTION: Compute the critical value za/2 that correponds toa 89% level of confidence. za/2=

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Question 538423: Compute the critical value za/2 that correponds toa 89% level of confidence.
za/2=
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Compute the critical value za/2 that correponds to a 89% level of confidence.
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Draw a normal curve.
Center 89% on the mean.
You have a left tail of 0.5-(0.89/2) = 0.055
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za/2= +/-invNOrm(0.055) = +/-1.5982
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Cheers,
Stan H.
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