Find the probability using the Standard Normal Distribution P(-1.23<z<0)
C cutebutevil7 New member Joined Dec 1, 2009 Messages 4 Dec 1, 2009 #1 Find the probability using the Standard Normal Distribution P(-1.23<z<0)
C chrisr Full Member Joined Nov 29, 2009 Messages 355 Dec 14, 2009 #2 The Normal curve is symmetrical, so this is P(0<z<1.23), which is P(z<1.23)-0.5 if you only have z-values that are >0.
The Normal curve is symmetrical, so this is P(0<z<1.23), which is P(z<1.23)-0.5 if you only have z-values that are >0.
