Q8) A stock has an expected return of 10.12% and a standard deviation of 10.16%. Compute the following for this stock:

a) Upper range of 68% confindence interval :

b) Lower range of 68% confindence interval :

c) Upper range of 95% confindence interval :

d) Lower range of 95% confindence interval :

e) Upper range of 99% confindence interval :

f) Lower range of 99% confindence interval :