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January 29, 2015

January 29, 2015

Posted by **Joshua** on Thursday, October 29, 2009 at 11:48pm.

- Statistics -
**MathGuru**, Saturday, October 31, 2009 at 5:49pmFormula:

CI98 = mean + or - z (sd/√n)

mean = 150; sd = 20; n = 36

Find z using a z-table to represent 98% confidence.

I'll let you take it from here.

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