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Compatibility function
NORMSINV
Returns the inverse of the standard normal cumulative distribution; replaced by NORM.S.INV.
OccasionalDifficulty 1350 · AdvancedUsage rank #224 of 520
When to use it
The inverse standard normal cumulative distribution. Replaced by NORM.S.INV.
The shape of it
- Syntax
=NORMSINV(probability)
Worked examples
Critical value
=NORMSINV(0.975) → 1.959963985
The 1.96.
Round trip
=NORMSINV(0.908789) → 1.3333347
Reverses the NORMSDIST example.
99%
=NORMSINV(0.99) → 2.326347874
One-sided 99%.
Worth knowing
- NORM.S.INV is identical.
- Service-level multipliers.
- Random z-scores: NORMSINV(RAND()).
Where it goes wrong
- #NUM! for probability of 0, 1, or outside.
- Flagged by the Compatibility Checker.
Related
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