Question 1075149
This is finding the z-value
That is z=(x-mean)/sd
(0.89-1.0)/0.20=-0.11/0.20=-0.55
(1.5-1.0)/0.20=.5/.2=2.5
want the probability of z being between 0=-0.55 and 2.5
it is 0.7026.