z value=0.44
z = 0.6903
1.64
-1.28
A z-score of 0 means the value is the mean.
z = ±0.44
z value=0.44
The Z value is 0.
The value is 0.3055
Pr{z<=1.0805}~=0.86
z = 0.8416
The Z-value for a one-sided 91% confidence interval is 1.34
z = 0.6903
1.96
1.15
ss
1.75