Exercise on Normal Distribution

area (under normal curve) on the left of z = 2.5. z corresponding to the area (under normal curve) on the left = 0.4. the area (under normal curve) on the left if x=600, (=300 and (=120. x if the area (under normal curve) on the left =0.4, (=300 and (=120 Exercise on finding cost per period for an control chart ................
................