Lesson plan

Calculate the probability of independent events

teaches Common Core State Standards CCSS.Math.Content.HSS-CP.A.2 http://corestandards.org/Math/Content/HSS/CP/A/2
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2

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Big Ideas: If two events are independent, a formula can be used to find the probability that they both occur. If Event A and Event B are independent, then P(A ∩ B) = P(A)∙P(B). Students were formally introduced to probability in seventh grade with the standard 7.SP-5. The Task Launch involves a situation where the events are obviously independent. The Task itself requires students to realize the events are independent and to use their knowledge of probability to compute the probability of the intersection of three events.