Answer to Question #330797 in Statistics and Probability for Jade

Question

What is the corresponding z – score value when its area in the normal curve is 0.2123? Use the z- table to find the value

Answer 1

From z-table we find the closest value to 0.2123; it is 0.2119 and the corresponding z-score is $z=-0.80;$

$P(z<-0.80)=0.2119.$