{"common":{"save":0,"post_id":"8426","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6252","post_id":"8426","mon_id":"1159285","chapter_id":"1159383","question":"<p>Cho A, B là các bi\u1ebfn c\u1ed1 c\u1ee7a m\u1ed9t phép th\u1eed T. Bi\u1ebft r\u1eb1ng <span class=\"math-tex\">$0< P(B) < 1$<\/span> xác su\u1ea5t c\u1ee7a bi\u1ebfn c\u1ed1 A \u0111\u01b0\u1ee3c tính theo công th\u1ee9c nào sau \u0111ây?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$P(A)=P(B).P(A|B)+P(\\overline{B}).P(A|\\overline{B})$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$P(A)=P(B).P(B|A)+P(\\overline{B}).P(B|\\overline{A})$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$P(A)=P(A).P(A|B)+P(\\overline{A}).P(A|\\overline{B})$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$P(A)=P(A).P(B|A)+P(\\overline{A}).P(B|\\overline{A})$<\/span>"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> <span class=\"math-tex\">$P(A)=P(B).P(A|B)+P(\\overline{B}).P(A|\\overline{B})$<\/span><\/span><\/p><p>Theo công th\u1ee9c xác su\u1ea5t toàn ph\u1ea7n ta có: <span class=\"math-tex\">$P(A)=P(B).P(A|B)+P(\\overline{B}).P(A|\\overline{B})$<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2025-02-07 08:07:57","option_type":"math","len":0},{"id":"6253","post_id":"8426","mon_id":"1159285","chapter_id":"1159383","question":"<p>Cho A, B là các bi\u1ebfn c\u1ed1 c\u1ee7a m\u1ed9t phép th\u1eed T. Bi\u1ebft r\u1eb1ng <span class=\"math-tex\">$0< P(A) < 1$<\/span> xác su\u1ea5t c\u1ee7a bi\u1ebfn c\u1ed1 B \u0111\u01b0\u1ee3c tính theo công th\u1ee9c nào sau \u0111ây?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$P(B)=P(B).P(A|B)+P(\\overline{B}).P(A|\\overline{B})$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$P(B)=P(B).P(B|A)+P(\\overline{B}).P(B|\\overline{A})$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$P(B)=P(A).P(A|B)+P(\\overline{A}).P(A|\\overline{B})$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$P(B)=P(A).P(B|A)+P(\\overline{A}).P(B|\\overline{A})$<\/span>"],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> <span class=\"math-tex\">$P(B)=P(A).P(B|A)+P(\\overline{A}).P(B|\\overline{A})$<\/span><\/span><\/p><p>Theo công th\u1ee9c xác su\u1ea5t toàn ph\u1ea7n, ta có: <span class=\"math-tex\">$P(B)=P(A).P(B|A)+P(\\overline{A}).P(B|\\overline{A})$<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2025-02-07 08:15:04","option_type":"math","len":0},{"id":"6255","post_id":"8426","mon_id":"1159285","chapter_id":"1159383","question":"<p>Cho A, B là các bi\u1ebfn c\u1ed1 c\u1ee7a m\u1ed9t phép th\u1eed T. Bi\u1ebft r\u1eb1ng <span class=\"math-tex\">$P(B)>0$<\/span> xác su\u1ea5t c\u1ee7a bi\u1ebfn c\u1ed1 A v\u1edbi \u0111i\u1ec1u ki\u1ec7n bi\u1ebfn c\u1ed1 B \u0111ã x\u1ea3y ra \u0111\u01b0\u1ee3c tính theo công th\u1ee9c nào sau \u0111ây?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$P(A|B)=\\dfrac{P(A)}{P(B)}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$P(A|B)=\\dfrac{P(A).P(B|A)}{P(B)}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$P(A|B)=\\dfrac{P(B).P(B|A)}{P(A)}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$P(A|B)=\\dfrac{P(B)}{P(A)}$<\/span>"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> <span class=\"math-tex\">$P(A|B)=\\dfrac{P(A).P(B|A)}{P(B)}$<\/span><\/span><\/p><p>Theo công th\u1ee9c Bayes, ta có: <span class=\"math-tex\">$P(A|B)=\\dfrac{P(A).P(B|A)}{P(B)}$<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2025-02-07 08:41:20","option_type":"math","len":0}]}