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Mathematics 8 Online
OpenStudy (anonymous):

The standard normal curve shown below is a probability density curve for a continuous random variable. This means that the area underneath the entire curve is 1. What is the area of the shaded region between the two z-scores indicated in the diagram?

OpenStudy (anonymous):

OpenStudy (amistre64):

P(1.25<z<.80)

OpenStudy (amistre64):

forgot a negative ...

OpenStudy (amistre64):

P(-1.25<z<.80) you can either play with tables, or try the wolf http://www.wolframalpha.com/input/?i=P%28-1.25%3Cz%3C.80%29 or if a ti83 use: normalcdf(low,high)

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