Ex: Suppose that in a school, 13% of students are psychology majors. If a student is a psychology major, there is a 34% chance they took a biology class. However, if they are not a psychology major,...

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Extracted text: Ex: Suppose that in a school, 13% of students are psychology majors. If a student is a psychology major, there is a 34% chance they took a biology class. However, if they are not a psychology major, there is a 56% chance they took a biology class. a) Fill out the tree diagram if P = psychology major and B = biology class. P° and Bº are the complements. P (B | P) P (P and B) -> Р (Р) P (BC | P) P (P and BC). P (B | PC) P (PC) P (PC and B) P (BC | PC) P (PC and BC). b) Fill out the contingency table given the information: Psychology Major Not Psychology Major Total Biology Class No Biology Class Total OPencil