{"common":{"save":0,"post_id":"4710","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7663","post_id":"4710","mon_id":"1158113","chapter_id":"1158165","question":"<p>Lan gieo m\u1ed9t con xúc s\u1eafc 300 l\u1ea7n, k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c b\u1ea3ng sau:<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"height: 100px; width: 200px;\"><tbody> <tr> <td>S\u1ed1 ch\u1ea5m<\/td> <td>S\u1ed1 l\u1ea7n<\/td> <\/tr> <tr> <td>1<\/td> <td>49<\/td> <\/tr> <tr> <td>2<\/td> <td>54<\/td> <\/tr> <tr> <td>3<\/td> <td>47<\/td> <\/tr> <tr> <td>4<\/td> <td>48<\/td> <\/tr> <tr> <td>5<\/td> <td>52<\/td> <\/tr> <tr> <td>6<\/td> <td>50<\/td> <\/tr><\/tbody><\/table><p><strong>Tính xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "S\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 2 ho\u1eb7c cho 3". <\/strong>(vi\u1ebft \u0111áp án d\u01b0\u1edbi d\u1ea1ng ph\u1ea7n tr\u0103m)<\/p>","options":["66,33%","66,34%","66,43%","63,66%"],"correct":"1","level":"3","hint":"<p>S\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 2 ho\u1eb7c cho 3 g\u1ed3m các s\u1ed1: 2 ; 3 ; 4 ; 6<\/p><p>Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "S\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 2 ho\u1eb7c cho 3" = <\/p><p><span class=\"frac123\"><span class=\"ts\">S\u1ed1 l\u1ea7n s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 2 ho\u1eb7c cho 3<\/span><span class=\"ms\">S\u1ed1 l\u1ea7n gieo<\/span><\/span> . 100%<\/p>","answer":"<p>S\u1ed1 l\u1ea7n s\u1ed1 ch\u1ea5m là 2 là: 54 l\u1ea7n<\/p><p>S\u1ed1 l\u1ea7n s\u1ed1 ch\u1ea5m là 3 là: 47 l\u1ea7n<\/p><p>S\u1ed1 l\u1ea7n s\u1ed1 ch\u1ea5m là 4 là: 48 l\u1ea7n<\/p><p>S\u1ed1 l\u1ea7n s\u1ed1 ch\u1ea5m là 6 là: 50 l\u1ea7n<\/p><p>S\u1ed1 l\u1ea7n s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 2 ho\u1eb7c cho 3 là 54 + 47 + 48 + 50 = 199 l\u1ea7n<\/p><p>S\u1ed1 l\u1ea7n gieo con xúc s\u1eafc là 300 l\u1ea7n<\/p><p>Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "S\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho 2 ho\u1eb7c cho 3" là <\/p><p><span class=\"math-tex\">$\\dfrac{199}{300}$<\/span> . 100% ≈ <span style=\"color:#16a085;\"><strong>66,33%<\/strong><\/span><\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>66,33%<\/strong><\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"1","date":"2021-09-15 03:37:05","option_type":"txt","len":0},{"id":"7665","post_id":"4710","mon_id":"1158113","chapter_id":"1158165","question":"<p>Lan gieo m\u1ed9t con xúc s\u1eafc 300 l\u1ea7n, k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c b\u1ea3ng sau:<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\"><tbody> <tr> <td>S\u1ed1 ch\u1ea5m<\/td> <td>S\u1ed1 l\u1ea7n<\/td> <\/tr> <tr> <td>1<\/td> <td>49<\/td> <\/tr> <tr> <td>2<\/td> <td>54<\/td> <\/tr> <tr> <td>3<\/td> <td>47<\/td> <\/tr> <tr> <td>4<\/td> <td>48<\/td> <\/tr> <tr> <td>5<\/td> <td>52<\/td> <\/tr> <tr> <td>6<\/td> <td>50<\/td> <\/tr><\/tbody><\/table><p><strong>Tính xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "S\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho c\u1ea3 2 và 3". <\/strong>(vi\u1ebft \u0111áp án d\u01b0\u1edbi d\u1ea1ng ph\u1ea7n tr\u0103m)<\/p>","options":["16,76%","16,66%","16,77%","16,67%"],"correct":"4","level":"3","hint":"<p>S\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho c\u1ea3 2 và 3 là s\u1ed1 6.<\/p><p>Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "S\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho c\u1ea3 2 và 3"<\/p><p>= <span class=\"frac123\"><span class=\"ts\">S\u1ed1 l\u1ea7n s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho c\u1ea3 2 và 3<\/span><span class=\"ms\">S\u1ed1 l\u1ea7n gieo con xúc s\u1eafc<\/span><\/span> .100%<\/p>","answer":"<p>Vì trong các s\u1ed1 ch\u1ea5m ch\u1ec9 có 6 chia h\u1ebft cho c\u1ea3 2 và 3 nên s\u1ed1 l\u1ea7n s\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho c\u1ea3 2 và 3 là 50 l\u1ea7n <\/p><p>S\u1ed1 l\u1ea7n gieo con xúc s\u1eafc là 300 l\u1ea7n<\/p><p>Xác su\u1ea5t th\u1ef1c nghi\u1ec7m c\u1ee7a s\u1ef1 ki\u1ec7n "S\u1ed1 ch\u1ea5m là s\u1ed1 chia h\u1ebft cho c\u1ea3 2 và 3" là<\/p><p><span class=\"math-tex\">$\\dfrac{50}{300}$<\/span> . 100% ≈ <span style=\"color:#16a085;\"><strong>16,67%<\/strong><\/span><\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>16,67%<\/strong><\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"1","date":"2021-09-15 03:44:59","option_type":"txt","len":0},{"id":"7667","post_id":"4710","mon_id":"1158113","chapter_id":"1158165","question":"<p>Trong m\u1ed9t h\u1ed9p kín có m\u1ed9t s\u1ed1 qu\u1ea3 bóng màu xanh, \u0111\u1ecf, vàng, tím, tr\u1eafng. An l\u1ea5y trong h\u1ed9p cùng lúc 3 qu\u1ea3. K\u1ebft qu\u1ea3 An l\u1ea5y \u0111\u01b0\u1ee3c m\u1ed9t qu\u1ea3 màu tím và hai qu\u1ea3 màu vàng.<\/p><p><span style=\"color:#2980b9;\">Cho các s\u1ef1 ki\u1ec7n sau:<\/span><\/p><p><span style=\"color:#2980b9;\"><strong>1. <\/strong>Có ít nh\u1ea5t m\u1ed9t qu\u1ea3 màu tím <\/span><\/p><p><span style=\"color:#2980b9;\"><strong>2. <\/strong>Có ít nh\u1ea5t m\u1ed9t qu\u1ea3 màu xanh<\/span><\/p><p><span style=\"color:#2980b9;\"><strong>3.<\/strong> Có nhi\u1ec1u nh\u1ea5t m\u1ed9t qu\u1ea3 màu vàng<\/span><\/p><p><span style=\"color:#2980b9;\"><strong>4.<\/strong> S\u1ed1 qu\u1ea3 màu \u0111\u1ecf không v\u01b0\u1ee3t quá hai<\/span><\/p><p><strong><span style=\"color:#2980b9;\">S\u1ed1 các s\u1ef1 ki\u1ec7n x\u1ea3y ra là <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/span>.<\/strong><\/p>","options":"","correct":["[\"3\"]"],"level":"3","hint":"","answer":"<p><span style=\"color:#2980b9;\"><strong>1. <\/strong>Có ít nh\u1ea5t m\u1ed9t qu\u1ea3 màu tím (x\u1ea3y ra vì có m\u1ed9t qu\u1ea3 màu tím) <\/span><\/p><p><strong>2.<\/strong> Có ít nh\u1ea5t m\u1ed9t qu\u1ea3 màu xanh <span style=\"color:#e74c3c;\">(không x\u1ea3y ra<\/span> vì không có qu\u1ea3 nào màu xanh)<\/p><p><span style=\"color:#2980b9;\"><strong>3.<\/strong> Có nhi\u1ec1u nh\u1ea5t m\u1ed9t qu\u1ea3 màu vàng (x\u1ea3y ra vì ch\u1ec9 có \u0111úng môt qu\u1ea3 màu vàng) <\/span><\/p><p><span style=\"color:#2980b9;\"><strong>4. <\/strong>S\u1ed1 qu\u1ea3 màu \u0111\u1ecf là không (x\u1ea3y ra vì An không l\u1ea5y qu\u1ea3 nào màu \u0111\u1ecf)<\/span><\/p><p>V\u1eady có <span style=\"color:#16a085;\">3 s\u1ef1 ki\u1ec7n x\u1ea3y ra<\/span> là các s\u1ef1 ki\u1ec7n <span style=\"color:#2980b9;\"><strong>1, 3 và 4.<\/strong><\/span><\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong>3<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"3","date":"2021-09-15 11:34:55"}]}