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