Z Score -3.958

We looked up the Z Score for -3.958 in our Normal Distribution Tables with Z Scores so you don't have to!

First, note that a Z Score of -3.958 means that your statistic is -3.958 standard deviation to the left of the mean on a bell curve. Here is a Bell Curve so you can visualize where -3.958 is on a bell curve.

We used three different distribution tables, and we will give you the -3.958 Z Score probability, percentile, and explanations for all three.

Cumulative from mean
This gives you the probability of the area from the mean to your Z Score. The cumulative from-mean probability and percentile for a -3.958 Z score is displayed here:

0.499962210021113
= 49.9962%

Cumulative
This gives you the probability of the area below the Z Score. The cumulative probability and percentile for a -3.958 Z score is displayed here:

0.0000377899788873703
= 0.0038%

Complementary cumulative
This gives you the probability of the area above the Z Score. The complementary cumulative probability and percentile for a -3.958 Z Score is displayed here:

0.999962210021113
= 99.9962%

Z Score Table Lookup
Here you can submit Z Scores between -3.999 and 3.999 for us to look up in our Normal Distribution Tables.

Z Score -3.957
Here is the next Z Score we looked up in our Normal Distribution Tables.

The percentiles on this page are rounded to the nearest 4 decimals.