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OpenStudy (anonymous):
pic posted
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OpenStudy (anonymous):
OpenStudy (anonymous):
@gypsy1274 @ybarrap
OpenStudy (anonymous):
is the ans. -2.30??? or else, how do u solve this?? I really need to move on!
OpenStudy (anonymous):
@satellite73
OpenStudy (ybarrap):
yes
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OpenStudy (ybarrap):
denominator, σ, is standard deviation (in previous note)
OpenStudy (anonymous):
so my answer is right?
OpenStudy (anonymous):
@ybarrap
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