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Mathematics 9 Online
OpenStudy (lacris):

Please help me with this normal probability distribution question :< :) I'm not sure what to do...

OpenStudy (lacris):

OpenStudy (lacris):

Question C, in particular. I'm not sure what I'm supposed to do.. Do I find the z-score?

OpenStudy (lacris):

I know the mean is $58 and the standard deviation is: 17.

OpenStudy (lacris):

or is this a normalcdf issue?

OpenStudy (lacris):

So, the z score would be 0.1587 - 58 = -57.8413/17 = -3.4024

OpenStudy (lacris):

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