Xác suất thực nghiệm - Bài tập nâng cao số 2

Home Toán lớp 6 (Sách KNTT)Toán lớp 6 Tập 2 Bài 43: Xác suất thực nghiệmBài tập nâng cao

{"common":{"save":0,"post_id":"4901","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9404","post_id":"4901","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: 200px;\"><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 4" <\/strong>(vi\u1ebft k\u1ebft qu\u1ea3 \u1edf d\u1ea1ng ph\u1ea7n tr\u0103m)? <\/p>","options":["28,92%","28,91%","29,81%","29,82%"],"correct":"1","level":"3","hint":"","answer":"S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng 4 là:   13 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng 8 là:   5 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 4 là:  13 + 5 + 6 = 24 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n Na gieo con xúc s\u1eafc là  83 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 4" là <\/p>   24<\/span>83<\/span><\/span>  . 100% ≈ 28,92%<\/strong><\/p>\u0110áp án \u0111úng là  28,92%<\/strong><\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"1","date":"2021-10-14 12:38:14","option_type":"txt","len":0},{"id":"9405","post_id":"4901","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: 200px;\"><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 nguyên t\u1ed1" <\/strong>(vi\u1ebft k\u1ebft qu\u1ea3 \u1edf d\u1ea1ng ph\u1ea7n tr\u0103m)?<\/p>","options":["39,75%","39,76%","39,74%","39,77%"],"correct":"2","level":"3","hint":"","answer":"S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng 2 là:   11 l\u1ea7n<\/p>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 5 là:   7 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng 7 là:   3 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m b\u1eb1ng 11 là:   7 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n t\u1ed5ng s\u1ed1 ch\u1ea5m là s\u1ed1 nguyên t\u1ed1 là:  11 + 5 + 7 + 3 + 7 = 33 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 "T\u1ed5ng s\u1ed1 ch\u1ea5m là s\u1ed1 nguyên t\u1ed1" là <\/p>  33<\/span>83<\/span><\/span>  . 100% ≈ 39,76%<\/strong><\/p>\u0110áp án \u0111úng là  39,76%<\/strong><\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"1","date":"2021-10-14 12:43:08","option_type":"txt","len":0},{"id":"9406","post_id":"4901","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 81 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=\"width: 200px;\"><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>12<\/td> <\/tr> <tr> <td>Xanh vàng<\/td> <td>17<\/td> <\/tr> <tr> <td>Vàng vàng<\/td> <td>10<\/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":["43,21%","43,20%","43,22%","43,24%"],"correct":"1","level":"3","hint":"","answer":"S\u1ed1 l\u1ea7n l\u1ea5y \u0111\u01b0\u1ee3c hai bóng cùng màu là:  13 + 12 + 10 = 35 l\u1ea7n<\/p>S\u1ed1 l\u1ea7n l\u1ea5y là:  81 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>   35<\/span>81<\/span><\/span> . 100% ≈ 43,21%<\/strong><\/p>\u0110áp án \u0111úng là   43,21%<\/strong><\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"1","date":"2021-10-14 12:46:26","option_type":"txt","len":0}]}