Z Score 0.991

We looked up the Z Score for 0.991 in our Normal Distribution Tables with Z Scores so you don't have to!

First, note that a Z Score of 0.991 means that your statistic is 0.991 standard deviation to the right of the mean on a bell curve. Here is a Bell Curve so you can visualize where 0.991 is on a bell curve.

We used three different distribution tables, and we will give you the 0.991 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 0.991 Z score is displayed here:

0.339157209866062
= 33.9157%

Cumulative
This gives you the probability of the area below the Z Score. The cumulative probability and percentile for a 0.991 Z score is displayed here:

0.839157209866062
= 83.9157%

Complementary cumulative
This gives you the probability of the area above the Z Score. The complementary cumulative probability and percentile for a 0.991 Z Score is displayed here:

0.160842790133938
= 16.0843%

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 0.992
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.