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January 27, 2015

January 27, 2015

Posted by **Jessica** on Saturday, November 28, 2009 at 9:51am.

the margin of error if c = 0.90.

- Statistics -
**MathGuru**, Monday, November 30, 2009 at 9:59pmMargin of error = + or - 1.645 (sd/√n)

Substitute the values given and determine the margin of error.

(The value of 1.645 was found using a z-table for 90% confidence.)

I hope this helps.

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