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-rw-r--r--lib/stdlib/test/rand_SUITE.erl4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl
index 743676fc13..55cff22d47 100644
--- a/lib/stdlib/test/rand_SUITE.erl
+++ b/lib/stdlib/test/rand_SUITE.erl
@@ -486,13 +486,13 @@ stats_standard_normal(Config) when is_list(Config) ->
stats_standard_normal(Fun, S, Retries) ->
%%%
%%% ct config:
-%%% {rand_SUITE, [{stats_standard_normal,[{seconds, 8}, {std_devs, 4.2}]}]}.
+%%% {rand_SUITE, [{stats_standard_normal,[{seconds, 8}, {std_devs, 4.0}]}]}.
%%%
Seconds = ct:get_config({?MODULE, ?FUNCTION_NAME, seconds}, 8),
StdDevs =
ct:get_config(
{?MODULE, ?FUNCTION_NAME, std_devs},
- 4.2), % probability erfc(4.2/sqrt(2)) (1/37465) to fail a bucket
+ 4.0), % probability erfc(4.0/sqrt(2)) (1/15787) to fail a bucket
%%%
ct:timetrap({seconds, Seconds + 120}),
%% Buckets is chosen to get a range where the the probability to land