From 510bb79a7ccd5d32db8f531042824b6b95a1bebe Mon Sep 17 00:00:00 2001
From: Raimo Niskanen <raimo@erlang.org>
Date: Fri, 19 Jan 2018 10:46:46 +0100
Subject: Decrease tolerance a wee bit

---
 lib/stdlib/test/rand_SUITE.erl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib')

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
-- 
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