Find the area under the normal curve that lies to the left of the following z-balues. a. Z=-1.30 b. Z=-3.20 c. Z=-2.56 d. Z=-0.64 Solution From Z-distribution tables given in all statistics book or by using excel, one can directly find area to the left of Z distribution. Please find answers as under:Z-Values Area-1.300.0968- 3.200.0007-2.560.0052-0.640.2611.

1. Find the area under the normal curve that lies to the left of the following z-balues. a. Z=-1.30
b. Z=-3.20 c. Z=-2.56 d. Z=-0.64
Solution
From Z-distribution tables given in all statistics book or by using excel, one can directly find
area to the left of Z distribution. Please find answers as under:Z-Values Area-1.300.0968-
3.200.0007-2.560.0052-0.640.2611