Home - HubSpot Email Marketing - In A/B testing, when it comes to statistical significance, what is the minimum confidence level HubSpot suggests? In A/B testing, when it comes to statistical significance, what is the minimum confidence level HubSpot suggests? 2shares Facebook Twitter Pinterest LinkedIn Skype Facebook MessengerQuestion: In A/B testing, when it comes to statistical significance, what is the minimum confidence level HubSpot suggests? 12% 38% 51% 95% The right answer was: 95%