• We are required to find Z so that the area is to the right, this means that the area is to be positive .
,• 88 % can be converted to 88/100 = 0.88
,• z = 1-0.88 = 0.12
The value tha corresponds with 0.12 = 0.04775
= 0.048
using the cumulative standard normal z score of 0.12 = 0.5478
