Xác suất thực nghiệm-Bài tập nâng cao

Home Lớp 6 Toán lớp 6 - Sách kết nối tri thức Bài 43: Xác suất thực nghiệmBài tập nâng cao

{"common":{"save":0,"post_id":"4704","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7601","post_id":"4704","mon_id":"1158113","chapter_id":"1158165","question":"Na gieo hai con xúc x\u1eafc cùng lúc 83 l\u1ea7n. \u1ede m\u1ed7i l\u1ea7n gieo, Na c\u1ed9ng s\u1ed1 ch\u1ea5m xu\u1ea5t hi\u1ec7n \u1edf hai con xúc s\u1eafc và ghi l\u1ea1i k\u1ebft qu\u1ea3 nh\u01b0 sau:<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"width: 300px; height: 100px;\"><tbody> <tr> <td>T\u1ed5ng s\u1ed1 ch\u1ea5m<\/td> <td>S\u1ed1 l\u1ea7n<\/td> <\/tr> <tr> <td>2<\/td> <td>11<\/td> <\/tr> <tr> <td>3<\/td> <td>5<\/td> <\/tr> <tr> <td>4<\/td> <td>13<\/td> <\/tr> <tr> <td>5<\/td> <td>7<\/td> <\/tr> <tr> <td>6<\/td> <td>9<\/td> <\/tr> <tr> <td>7<\/td> <td>3<\/td> <\/tr> <tr> <td>8<\/td> <td>5<\/td> <\/tr> <tr> <td>9<\/td> <td>12<\/td> <\/tr> <tr> <td>10<\/td> <td>5<\/td> <\/tr> <tr> <td>11<\/td> <td>7<\/td> <\/tr> <tr> <td>12<\/td> <td>6<\/td> <\/tr><\/tbody><\/table>N\u1ebfu t\u1ed5ng s\u1ed1 ch\u1ea5m xu\u1ea5t hi\u1ec7n \u1edf hai con xúc s\u1eafc l\u1edbn h\u01a1n 8 thì Na th\u1eafng.<\/p>Tính xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "Na thua"<\/strong> (dùng máy tính c\u1ea7m tay tính k\u1ebft qu\u1ea3 \u1edf d\u1ea1ng ph\u1ea7n tr\u0103m và làm tròn \u0111\u1ebfn ch\u1eef s\u1ed1 th\u1eadp phân th\u1ee9 hai)?<\/p>","options":["63,85%","63,86%","63,58%","63,68%"],"correct":"2","level":"3","hint":"Na thua n\u1ebfu t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng các s\u1ed1 t\u1eeb 2 \u0111\u1ebfn 8.<\/p>Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "Na thua" = S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 8<\/span>S\u1ed1 l\u1ea7n gieo<\/span><\/span>   . 100%<\/p>","answer":"S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 8 là: 11 + 5 + 13 + 7 + 9 + 3 + 5 = 53 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n gieo là   83 l\u1ea7n<\/p>Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "Na thua" là  53<\/span>83<\/span><\/span>   . 100% ≈ 63,86%<\/span><\/strong><\/span><\/p>\u0110áp án \u0111úng là  63,86%<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-09-13 13:26:24","option_type":"txt","len":0},{"id":"7602","post_id":"4704","mon_id":"1158113","chapter_id":"1158165","question":"Na gieo hai con xúc x\u1eafc cùng lúc 83 l\u1ea7n. \u1ede m\u1ed7i l\u1ea7n gieo, Na c\u1ed9ng s\u1ed1 ch\u1ea5m xu\u1ea5t hi\u1ec7n \u1edf hai con xúc s\u1eafc và ghi l\u1ea1i k\u1ebft qu\u1ea3 nh\u01b0 sau:<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"height: 100px; width: 250px;\"><tbody> <tr> <td>T\u1ed5ng s\u1ed1 ch\u1ea5m<\/td> <td>S\u1ed1 l\u1ea7n<\/td> <\/tr> <tr> <td>2<\/td> <td>11<\/td> <\/tr> <tr> <td>3<\/td> <td>5<\/td> <\/tr> <tr> <td>4<\/td> <td>13<\/td> <\/tr> <tr> <td>5<\/td> <td>7<\/td> <\/tr> <tr> <td>6<\/td> <td>9<\/td> <\/tr> <tr> <td>7<\/td> <td>3<\/td> <\/tr> <tr> <td>8<\/td> <td>5<\/td> <\/tr> <tr> <td>9<\/td> <td>12<\/td> <\/tr> <tr> <td>10<\/td> <td>5<\/td> <\/tr> <tr> <td>11<\/td> <td>7<\/td> <\/tr> <tr> <td>12<\/td> <td>6<\/td> <\/tr><\/tbody><\/table>Tính xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "T\u1ed5ng s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 3" <\/strong>(vi\u1ebft k\u1ebft qu\u1ea3 \u1edf d\u1ea1ng ph\u1ea7n tr\u0103m)?<\/p>","options":["38,56%","35,58%","38,55%","38,65%"],"correct":"3","level":"3","hint":"T\u1ed5ng s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 3 g\u1ed3m    3 , 6 , 9 , 12 .<\/p>Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "T\u1ed5ng s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 3" =<\/p>S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 3<\/span>S\u1ed1 l\u1ea7n gieo<\/span><\/span> . 100%<\/p>","answer":"S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng 3 là:   5 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng 6 là:   9 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng 9 là:   12 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng 12 là:   6 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 3 là:  5 + 9 + 12 + 6 = 32 l\u1ea7n<\/p>Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "T\u1ed5ng s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 3" là <\/p>   32<\/span>83<\/span><\/span>  . 100% ≈ 38,55%<\/span><\/strong><\/span><\/p>\u0110áp án \u0111úng là  38,55%<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-09-13 13:42:27","option_type":"txt","len":0},{"id":"7604","post_id":"4704","mon_id":"1158113","chapter_id":"1158165","question":"Trong h\u1ed9p che kín có m\u1ed9t s\u1ed1 bóng màu \u0111\u1ecf, màu xanh và màu vàng. Lan l\u1ea5y cùng lúc hai qu\u1ea3 bóng ra xem màu r\u1ed3i th\u1ea3 vào l\u1ea1i. Lan th\u1ef1c hi\u1ec7n 79 l\u1ea7n nh\u01b0 th\u1ebf và ghi l\u1ea1i k\u1ebft qu\u1ea3 vào b\u1ea3ng sau:<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"height: 100px; width: 250px;\"><tbody> <tr> <td>Màu<\/td> <td>S\u1ed1 l\u1ea7n<\/td> <\/tr> <tr> <td>\u0110\u1ecf \u0111\u1ecf<\/td> <td>13<\/td> <\/tr> <tr> <td>\u0110\u1ecf xanh<\/td> <td>15<\/td> <\/tr> <tr> <td>\u0110\u1ecf vàng<\/td> <td>14<\/td> <\/tr> <tr> <td>Xanh xanh<\/td> <td>11<\/td> <\/tr> <tr> <td>Xanh vàng<\/td> <td>17<\/td> <\/tr> <tr> <td>Vàng vàng<\/td> <td>9<\/td> <\/tr><\/tbody><\/table>Tính xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "L\u1ea5y \u0111\u01b0\u1ee3c hai bóng cùng màu". (vi\u1ebft k\u1ebft qu\u1ea3 \u1edf d\u1ea1ng ph\u1ea7n tr\u0103m)?<\/p>","options":["41,77%","41,78%","41,87%","47,71%"],"correct":"1","level":"3","hint":"Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "L\u1ea5y \u0111\u01b0\u1ee3c hai bóng cùng màu" =  S\u1ed1 l\u1ea7n l\u1ea5y \u0111\u01b0\u1ee3c hai bóng cùng màu<\/span>S\u1ed1 l\u1ea7n l\u1ea5y<\/span><\/span> . 100%<\/p>","answer":"S\u1ed1 l\u1ea7n l\u1ea5y \u0111\u01b0\u1ee3c hai bóng cùng màu là:  13 + 11 + 9 = 33 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n l\u1ea5y là:  79 l\u1ea7n<\/p>Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "L\u1ea5y \u0111\u01b0\u1ee3c hai bóng cùng màu" là <\/p>   33<\/span>79<\/span><\/span> . 100% ≈ <\/span>41,77%<\/span><\/span><\/strong><\/p>\u0110áp án \u0111úng là   41,77%<\/strong><\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"1","date":"2021-09-13 14:23:20","option_type":"txt","len":0}]}