Statistics inv_cdf sync with corresponding random module normal distributions (#95265)

2022-07-26 02:23:33 -05:00
parent b7ce4625fe
commit 4395ff1e6a
3 changed files with 5 additions and 6 deletions
--- a/Lib/statistics.py
+++ b/Lib/statistics.py
@@ -1221,8 +1221,6 @@ class NormalDist:
        """
        if p <= 0.0 or p >= 1.0:
            raise StatisticsError('p must be in the range 0.0 < p < 1.0')
-        if self._sigma <= 0.0:
-            raise StatisticsError('cdf() not defined when sigma at or below zero')
        return _normal_dist_inv_cdf(p, self._mu, self._sigma)

    def quantiles(self, n=4):