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#Educational Updates #📖ఎడ్యుకేషన్✍ #🎓జాబ్ ప్రిపరేషన్📚 #💼TSPSC/ APPSC ప్రత్యేకం #🏆పోటీ పరీక్షల స్పెషల్
Educational Updates - Probability | Part q: total_probobilitu_(tree method) Probqbilifg Totall concept we add When an event can occur in different ways, CC probabilities of all possible cases Formula Idea P(B,)P(A|B,) + P(B_)P(A|B_) P(A) Bredk event into smaller coses A along B1 Mulfiply branch not A Start A B2 Add final paths  not A Example bagald २ red balls 3 blue balls has : A is drawn. Find probabilify of picking a red ball. One Toral balls 3 5 P(Red) Example 2 Box 2 -> 1 red, 2 blue 2 red, 1 blue Box 1 > randomly; then pick a ball. Find probability of red Choose a box 2 २ P(Box 2) = P(Box 1) Step 1: 0.2 0*2 3 3 P(Red Box 2)= 2: P(Red Step Bz Box 1) = B1 n01 3 (1*3)+(1*3)= ;+1 2 3: P(Red) = Step not Exam Trick Multiplg along branches then add Common misfakes forgetting to multiply probabilities  missing cases adding final probabilifies and add all pafhs  not possible Final Highlight Tofal probabilify sum of all paths EduSphere Academy Page 0 Probability | Part q: total_probobilitu_(tree method) Probqbilifg Totall concept we add When an event can occur in different ways, CC probabilities of all possible cases Formula Idea P(B,)P(A|B,) + P(B_)P(A|B_) P(A) Bredk event into smaller coses A along B1 Mulfiply branch not A Start A B2 Add final paths  not A Example bagald २ red balls 3 blue balls has : A is drawn. Find probabilify of picking a red ball. One Toral balls 3 5 P(Red) Example 2 Box 2 -> 1 red, 2 blue 2 red, 1 blue Box 1 > randomly; then pick a ball. Find probability of red Choose a box 2 २ P(Box 2) = P(Box 1) Step 1: 0.2 0*2 3 3 P(Red Box 2)= 2: P(Red Step Bz Box 1) = B1 n01 3 (1*3)+(1*3)= ;+1 2 3: P(Red) = Step not Exam Trick Multiplg along branches then add Common misfakes forgetting to multiply probabilities  missing cases adding final probabilifies and add all pafhs  not possible Final Highlight Tofal probabilify sum of all paths EduSphere Academy Page 0 - ShareChat