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OpenStudy (anonymous):
Help with normal distribution?
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OpenStudy (anonymous):
OpenStudy (dumbcow):
this should help http://en.wikipedia.org/wiki/Normal_distribution#mediaviewer/File:Standard_deviation_diagram.svg
OpenStudy (anonymous):
That looks like the one our teacher showed us. Except the numbers are .15, 2.35, 13.5, and 34.
OpenStudy (dumbcow):
ok use the one your teacher gave ... the difference is how you decide to round, both are correct though
OpenStudy (anonymous):
Okay, so what would I do for A?
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OpenStudy (dumbcow):
65 is -1 std deviations away , 75 is 1 std deviation away add up the percentages given in the diagram for the regions between -1 and 1
OpenStudy (anonymous):
@dumbcow I think I figured it out, is it 68%?
OpenStudy (dumbcow):
yes it is :)
OpenStudy (anonymous):
Okay, I have the answer, I just don't understand how I got it.
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