Probability at the mean
| A | B | C | |
|---|---|---|---|
| 1 | x | Mean | SD |
| 2 | 10 | 10 | 2 |
Formula: E2: =NORM.DIST(A2,B2,C2,TRUE)
Result: 0.5
Half of a symmetric normal distribution lies below its mean.
NORM.DIST with worked examples you can test in the live grid. The argument details are in the Excel guide.
The arguments and common errors are covered in the NORM.DIST Excel guide; check the function help in Google Sheets for its own argument list.
| A | B | C | |
|---|---|---|---|
| 1 | x | Mean | SD |
| 2 | 10 | 10 | 2 |
Formula: E2: =NORM.DIST(A2,B2,C2,TRUE)
Result: 0.5
Half of a symmetric normal distribution lies below its mean.
| A | B | C | |
|---|---|---|---|
| 1 | x | Mean | SD |
| 2 | 12 | 10 | 2 |
Formula: E2: =ROUND(NORM.DIST(A2,B2,C2,TRUE),4)
Result: 0.8413
Twelve standardizes to z=1, and the cumulative probability is 0.84134…
| A | B | C | |
|---|---|---|---|
| 1 | x | Mean | SD |
| 2 | 10 | 10 | 2 |
Formula: E2: =ROUND(NORM.DIST(A2,B2,C2,FALSE),4)
Result: 0.1995
Scaling by standard deviation two halves the standard density height of 0.3989.
A tiny spreadsheet with example data. Edit the formula or any number and see the result.
Formula in F2: =NORM.DIST(C2,60,25,TRUE)
| A | B | C | D | E | F | |
|---|---|---|---|---|---|---|
| 1 | Region | Product | Units | Price | Result | |
| 2 | East | Pen | 120 | 2.5 | 0.991802464075 | |
| 3 | West | Pen | 80 | 2.5 | ||
| 4 | East | Book | 45 | 12 | ||
| 5 | North | Book | 60 | 12 | ||
| 6 | West | Lamp | 30 | 25 | ||
| 7 | East | Lamp | 15 | 25 |
Google Sheets is used here only as a descriptive product name. FormulaCamp is not affiliated with Google.
Enter — commit · F2 — edit · F4 — $ in a reference · Ctrl+C/Ctrl+V — copy and paste · Ctrl+Z — undo
Esc or F6 — leave the sheet for the «Check» button · Shift+Tab in the first cell — back to the page