
We looked up the Z Score for 3.887 in our Normal Distribution Tables with Z Scores so you don't have to!
First, note that a Z Score of 3.887 means that your statistic is 3.887 standard deviation to the right of the mean on a bell curve. Here is a Bell Curve so you can visualize where 3.887 is on a bell curve.

We used three different distribution tables, and we will give you the 3.887 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 3.887 Z score is displayed here:
0.499949254622948
= 49.9949%
Cumulative
This gives you the probability of the area below the Z Score. The cumulative probability and percentile for a 3.887 Z score is displayed here:
0.999949254622948
= 99.9949%
Complementary cumulative
This gives you the probability of the area above the Z Score. The complementary cumulative probability and percentile for a 3.887 Z Score is displayed here:
0.000050745377052
= 0.0051%
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 3.888
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.
Copyright | Privacy Policy | Disclaimer | Contact