Z Score -3.999

We looked up the Z Score for -3.999 in our Normal Distribution Tables with Z Scores so you don't have to!

First, note that a Z Score of -3.999 means that your statistic is -3.999 standard deviation to the left of the mean on a bell curve. Here is a Bell Curve so you can visualize where -3.999 is on a bell curve.

We used three different distribution tables, and we will give you the -3.999 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 -3.999 Z score is displayed here:

0.499968194659946
= 49.9968%

Cumulative
This gives you the probability of the area below the Z Score. The cumulative probability and percentile for a -3.999 Z score is displayed here:

0.0000318053400542029
= 0.0032%

Complementary cumulative
This gives you the probability of the area above the Z Score. The complementary cumulative probability and percentile for a -3.999 Z Score is displayed here:

0.999968194659946
= 99.9968%

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 -3.998
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.