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OpenStudy (anonymous):
HELP!!! stats: Construct an 80% confidence interval about....please see attached image for the details.. :)
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OpenStudy (anonymous):
HERE is wh
OpenStudy (anonymous):
here is what I know/ what I have so far...but I don't know how to work with the 80% and turn it into "that part" so I can replace...
OpenStudy (deoxna):
What you're missing is the Z value that gives a 80% confidence interval, or that traps 80% of the curve: |dw:1365049341162:dw| Are you famiiar with the inverse normal distribution?
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