How do you find the area under the standard normal curve for the z-score interval z < -1.6?

Question

8812 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-05-10T07:46:34

#0.0458#

because of the symmetry of the Normal distribution curve

#P(Z<-1.6)=P(Z>+1.6)#

Since the tables give values for #P(Z< z)#

we use the relationship

#P(Z>z)=1-P(Z< z)#

#:.P( Z > 1.6)=1-P(Z<1.6)#

#=1-0.9542#

#=0.0458#