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\" y=\"-4\"><\/image> <\/g> <\/svg><\/span><\/p><p>Th\u1eddi gian xem ti vi trung b&igrave;nh c\u1ee7a c&aacute;c h\u1ecdc sinh&nbsp;l&agrave;&nbsp;<\/p>","options":["<strong>A.<\/strong> 55,45","<strong>B.<\/strong> 55,44","<strong>C.<\/strong> 54,54","<strong>D.<\/strong> 54,55"],"correct":"1","level":"2","hint":"","answer":"<p>Th\u1eddi gian xem ti vi trung b&igrave;nh c\u1ee7a c&aacute;c h\u1ecdc sinh l&agrave;<\/p><p><span class=\"math-tex\">$\\overline{x}=\\dfrac{4.10+9.30+10.50+13.70+8.90}{4+9+10+13+8} \\approx 55,45$<\/span>&nbsp;ph&uacute;t.<\/p><p>Ch\u1ecdn&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> 55,45.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-12-20 02:31:20","option_type":"txt","len":0},{"id":"5001","post_id":"7061","mon_id":"1158924","chapter_id":"1159152","question":"<p>T&igrave;m hi\u1ec3u th\u1eddi gian ho&agrave;n th&agrave;nh m\u1ed9t b&agrave;i t\u1eadp (\u0111\u01a1n v\u1ecb:ph&uacute;t) c\u1ee7a m\u1ed9t s\u1ed1 h\u1ecdc sinh thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 nh\u01b0 sau.<\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"440\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"442\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"121\" id=\"svg_1\" width=\"442\" x=\"-4\" 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\" y=\"-0.5\"><\/image> <\/g> <\/svg><\/span><\/p><p>Th\u1eddi gian trung b&igrave;nh \u0111\u1ec3 ho&agrave;n th&agrave;nh b&agrave;i t\u1eadp c\u1ee7a c&aacute;c em l&agrave;<\/p>","options":["<strong>A.<\/strong> 7 ph&uacute;t","<strong>B.<\/strong> 11,3 ph&uacute;t","<strong>C.<\/strong> 10,4 ph&uacute;t","<strong>D.<\/strong> 12,5 ph&uacute;t"],"correct":"3","level":"2","hint":"","answer":"<p>Th\u1eddi gian trung b&igrave;nh ho&agrave;n th&agrave;nh b&agrave;i t\u1eadp c\u1ee7a c&aacute;c h\u1ecdc sinh l&agrave;<\/p><p><span class=\"math-tex\">$\\overline{x}=\\dfrac{2.2+4.6+7.10+4.14+3.18}{2+4+7+4+3}=10,4$<\/span>&nbsp;ph&uacute;t.<\/p><p>Ch\u1ecdn&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong> 10,4 ph&uacute;t.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-12-20 02:39:12","option_type":"txt","len":2},{"id":"5003","post_id":"7061","mon_id":"1158924","chapter_id":"1159152","question":"<p>Cho m\u1eabu s\u1ed1 li\u1ec7u gh&eacute;p nh&oacute;m v\u1ec1 chi\u1ec1u cao c\u1ee7a 25 c&acirc;y d\u1eeba gi\u1ed1ng nh\u01b0 sau<\/p><p><span class=\"svgedit\"><svg height=\"140\" width=\"440\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"142\" id=\"canvas_background\" width=\"442\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"136.00001\" id=\"svg_1\" stroke=\"null\" width=\"469.99997\" x=\"-15\" xlink:href=\"data:image\/png;base64,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\" y=\"4.49999\"><\/image> <\/g> <\/svg><\/span><\/p><p>M\u1ed1t c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u gh&eacute;p nh&oacute;m n&agrave;y l&agrave;<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$M_o=\\dfrac{70}{3}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$M_o=\\dfrac{50}{3}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$M_o=\\dfrac{70}{2}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$M_o=\\dfrac{80}{3}$<\/span>"],"correct":"1","level":"2","hint":"","answer":"<p>T\u1ea7n s\u1ed1 l\u1edbn nh\u1ea5t l&agrave; 7 n&ecirc;n nh&oacute;m ch\u1ee9a m\u1ed1t l&agrave; [20;30}.<\/p><p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$j=3;a_3=20;m_3=7;m_2=6;m_4=5;h=10$<\/span>.<\/p><p>Do \u0111&oacute;&nbsp;<span class=\"math-tex\">$M_o=20+\\dfrac{7-6}{(7-6)+(7-5)}.10=\\dfrac{70}{3}$<\/span>&nbsp;.<\/p><p>Ch\u1ecdn&nbsp; &nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$M_o=\\dfrac{70}{3}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-12-20 02:46:44","option_type":"math","len":0}]}