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一名学生通过了考试( A )。已知: P(A \mid B_1) = 0.8 (学了很多,概率60%),(没学,概率40%)。已知他通过了,学了很多的概率是多少?
一名学生通过了考试( A )。已知: P(A \mid B_1) = 0.8 (学了很多,概率60%),(没学,概率40%)。已知他通过了,学了很多的概率是多少?
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