Luyện tập chung (sau bài 25, 26).

Home Lớp 9 Toán lớp 9 - Sách Kết nối tri thức Luyện tập chung (sau bài 25, 26).Bài tập cơ bản

{"common":{"save":0,"post_id":"8601","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10517","post_id":"8601","mon_id":"1159278","chapter_id":"1159332","question":"\u0110i\u1ec1n vào d\u1ea5u h\u1ecfi ch\u1ea5m \u0111\u1ec3 \u0111\u01b0\u1ee3c câu hoàn ch\u1ec9nh: “Gi\u1ea3 s\u1eed r\u1eb1ng các k\u1ebft qu\u1ea3 có th\u1ec3 c\u1ee7a phép th\u1eed T là \u0111\u1ed3ng kh\u1ea3 n\u0103ng. Khi \u0111ó xác su\u1ea5t P(E) c\u1ee7a bi\u1ebfn c\u1ed1 E b\u1eb1ng t\u1ec9 s\u1ed1 gi\u1eefa s\u1ed1 <\/span><\/strong><input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> cho bi\u1ebfn c\u1ed1 E và s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp $\\Omega$<\/span>.<\/span><\/strong>”<\/p>","options":["A.<\/strong> k\u1ebft qu\u1ea3 thu\u1eadn l\u1ee3i","B.<\/strong> bi\u1ebfn c\u1ed1","C.<\/strong> k\u1ebft qu\u1ea3","D.<\/strong> ph\u1ea7n t\u1eed"],"correct":"1","level":"1","hint":"","answer":"Ch\u1ecdn A.<\/strong> k\u1ebft qu\u1ea3 thu\u1eadn l\u1ee3i.<\/span><\/p>Gi\u1ea3 s\u1eed r\u1eb1ng các k\u1ebft qu\u1ea3 có th\u1ec3 c\u1ee7a phép th\u1eed T là \u0111\u1ed3ng kh\u1ea3 n\u0103ng. Khi \u0111ó xác su\u1ea5t P(E) c\u1ee7a bi\u1ebfn c\u1ed1 E b\u1eb1ng t\u1ec9 s\u1ed1 gi\u1eefa s\u1ed1 k\u1ebft qu\u1ea3 thu\u1eadn l\u1ee3i<\/span><\/span><\/strong> cho bi\u1ebfn c\u1ed1 E và s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp $\\Omega$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-03-10 09:24:03","option_type":"txt","len":2},{"id":"10518","post_id":"8601","mon_id":"1159278","chapter_id":"1159332","question":"Kí hi\u1ec7u $\\Omega$<\/span> là kí hi\u1ec7u nào c\u1ee7a phép th\u1eed?<\/p>","options":["A.<\/strong> s\u1ed1 ph\u1ea7n t\u1eed","B.<\/strong> k\u1ebft qu\u1ea3 thu\u1eadn l\u1ee3i","C.<\/strong> bi\u1ebfn c\u1ed1","D.<\/strong> không gian m\u1eabu"],"correct":"4","level":"1","hint":"","answer":"Ch\u1ecdn D.<\/strong> không gian m\u1eabu.<\/span><\/p>Kí hi\u1ec7u $\\Omega$<\/span> là kí hi\u1ec7u không gian m\u1eabu<\/strong><\/span> c\u1ee7a phép th\u1eed.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-03-10 09:25:26","option_type":"txt","len":2},{"id":"10519","post_id":"8601","mon_id":"1159278","chapter_id":"1159332","question":"Ch\u1ecdn t\u1eeb thích h\u1ee3p \u0111i\u1ec1n vào d\u1ea5u h\u1ecfi ch\u1ea5m trong câu sau: "T\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 các k\u1ebft qu\u1ea3 có th\u1ec3 x\u1ea3y ra c\u1ee7a phép th\u1eed (g\u1ecdi t\u1eaft là t\u1eadp t\u1ea5t c\u1ea3 các k\u1ebft qu\u1ea3 có th\u1ec3 c\u1ee7a phép th\u1eed) \u0111\u01b0\u1ee3c g\u1ecdi là <\/span><\/strong><input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/>".<\/p>","options":["A. <\/strong>k\u1ebft qu\u1ea3 c\u1ee7a phép th\u1eed","B. <\/strong>xác su\u1ea5t c\u1ee7a phép th\u1eed","C.<\/strong> không gian m\u1eabu c\u1ee7a phép th\u1eed","D.<\/strong> bi\u1ebfn c\u1ed1 c\u1ee7a phép th\u1eed"],"correct":"3","level":"1","hint":"","answer":"Ch\u1ecdn C.<\/strong> không gian m\u1eabu c\u1ee7a phép th\u1eed<\/span><\/p>T\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 các k\u1ebft qu\u1ea3 có th\u1ec3 x\u1ea3y ra c\u1ee7a phép th\u1eed (g\u1ecdi t\u1eaft là t\u1eadp t\u1ea5t c\u1ea3 các k\u1ebft qu\u1ea3 có th\u1ec3 c\u1ee7a phép th\u1eed) \u0111\u01b0\u1ee3c g\u1ecdi là <\/span>không gian m\u1eabu c\u1ee7a phép th\u1eed<\/span><\/span>.<\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-03-10 09:28:46","option_type":"txt","len":2}]}