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OpenStudy (anonymous):
A normal variable has a mean μ and a standard deviation σ. What is the probability that the value of the variable is greater than μ − σ? 80.1% 74.1% 90.2% 84.1%
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OpenStudy (anonymous):
@Michele_Laino
OpenStudy (anonymous):
Hey
OpenStudy (michele_laino):
Hi!
OpenStudy (anonymous):
Hi!
OpenStudy (anonymous):
i googled it and the answer shold be 90.2%
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OpenStudy (michele_laino):
we have to evaluate this area: |dw:1429542130440:dw|
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