Thread: math wiz?
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Old 06-30-08, 02:48 PM
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newgixxerchic newgixxerchic is offline
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Join Date: Jul 2007
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Re: math wiz?

76.8 -74 = 2.8
2.8/12 = z score
look at the amount on the z table
.5 - (.0910) = that number would be the probability that it was greater than 76.8

I think its 40.90% or .4090 (but don't quote me)
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