Z Score -1.666

We looked up the Z Score for -1.666 in our Normal Distribution Tables with Z Scores so you don't have to!

First, note that a Z Score of -1.666 means that your statistic is -1.666 standard deviation to the left of the mean on a bell curve. Here is a Bell Curve so you can visualize where -1.666 is on a bell curve.

We used three different distribution tables, and we will give you the -1.666 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 -1.666 Z score is displayed here:

0.452143292782539
= 45.2143%

Cumulative
This gives you the probability of the area below the Z Score. The cumulative probability and percentile for a -1.666 Z score is displayed here:

0.0478567072174609
= 4.7857%

Complementary cumulative
This gives you the probability of the area above the Z Score. The complementary cumulative probability and percentile for a -1.666 Z Score is displayed here:

0.952143292782539
= 95.2143%

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 -1.665
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.