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Mathematics 21 Online
OpenStudy (anonymous):

Help with normal distribution?

OpenStudy (anonymous):

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?

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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