wendy dugan

This page lists questions and answers that were posted by visitors named wendy dugan.

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The following questions were asked by visitors named wendy dugan.

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The following answers were posted by visitors named wendy dugan.

I don't understand how mean got 54.5 or the equation 54.5-10/50 = 0.8 z=0.1841. I think mean (n)(p) = (100)(.5) = 50 standard deviation (p)(p)(q) square root = 5.
6 years ago