The standard normal curve shown here 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?

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anonymous · Answer

attachment

anonymous · Answer

@DDCamp @nathan917 @Numb3r1

dumbcow · Answer

usually you use a z-table Area = P(Z<.86) - P(Z<-1.23) http://statstutorstl.blogspot.com/2010/07/z-table-gives-probabilty-distribution.html

amistre64 · Answer

in my elementary stats class we just used a ti83