https://ift.tt/2wwdHAe What Does 95% Effective Mean? Teaching the Math of Vaccine Efficacy In this lesson plan, students use statistics, probability and math to understand how big a breakthrough the new coronavirus vaccine is and what it might mean for the pandemic. BY DASHIELL YOUNG-SAVER https://ift.tt/390ka89 December 14, 2020 at 06:43AM