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October 9th, 2018, 07:42 PM   #1
ChristinaScience's Avatar
Joined: Nov 2010

Posts: 97
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Question Percentile Rank

Hello guys,

I already completed this; however, I am having extreme difficulty with problems #4 and #5.

Would I use the formula X=µ+z(sigma)?

If not, what formula should I use? I'm so confused.
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