{"id":24534,"date":"2023-12-06T12:19:53","date_gmt":"2023-12-06T12:19:53","guid":{"rendered":"https:\/\/masterskills.org\/blog\/phan-phoi-da-thuc-multinomial-distribution-la-gi-dac-diem-phan-phoi-da-thuc.html"},"modified":"2023-12-22T09:50:07","modified_gmt":"2023-12-22T02:50:07","slug":"phan-phoi-da-thuc-multinomial-distribution-la-gi-dac-diem-phan-phoi-da-thuc","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/phan-phoi-da-thuc-multinomial-distribution-la-gi-dac-diem-phan-phoi-da-thuc.html","title":{"rendered":"Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c (Multinomial Distribution) l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c"},"content":{"rendered":"
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Hi\u0300nh minh ho\u0323a. Ngu\u00f4\u0300n: Youtube.com<\/p>\n<\/figcaption><\/figure>\n

Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c <\/font><\/h2>\n

Kha\u0301i ni\u00ea\u0323m<\/b><\/p>\n

Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c<\/b> trong ti\u00ea\u0301ng Anh la\u0300 Multinomial Distribution.<\/b><\/p>\n

Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c<\/b> l\u00e0 d\u1ea1ng ph\u00e2n ph\u1ed1i x\u00e1c su\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u00ednh to\u00e1n k\u1ebft qu\u1ea3 c\u00e1c th\u1eed nghi\u1ec7m li\u00ean quan \u0111\u1ebfn t\u1eeb hai bi\u1ebfn tr\u1edf l\u00ean.\u00a0<\/p>\n

Ph\u00e2n ph\u1ed1i nh\u1ecb th\u1ee9c l\u00e0 m\u1ed9t lo\u1ea1i ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn r\u1ed9ng r\u00e3i, ph\u00e2n ph\u1ed1i nh\u1ecb th\u1ee9c ch\u1ec9 c\u00f3 hai k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 x\u1ea3y ra, v\u00ed d\u1ee5 nh\u01b0 \u0111\u00fang\/sai ho\u1eb7c ng\u1eeda\/s\u1ea5p (khi tung \u0111\u1ed3ng xu). \u00a0<\/i><\/p>\n

Trong t\u00e0i ch\u00ednh, c\u00e1c nh\u00e0 ph\u00e2n t\u00edch s\u1eed d\u1ee5ng ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c \u0111\u1ec3 \u01b0\u1edbc t\u00ednh x\u00e1c su\u1ea5t x\u1ea3y ra c\u1ee7a m\u1ed9t t\u1eadp h\u1ee3p k\u1ebft qu\u1ea3 nh\u1ea5t \u0111\u1ecbnh.\u00a0<\/p>\n

Ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ea3 n\u0103ng m\u1ed9t c\u00f4ng ty s\u1ebd c\u00f3 thu nh\u1eadp t\u1ed1t h\u01a1n d\u1ef1 ki\u1ebfn trong khi c\u00e1c \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh c\u1ee7a h\u1ecd c\u00f3 thu nh\u1eadp kh\u00f4ng nh\u01b0 d\u1ef1 ki\u1ebfn.\u00a0<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c\u00a0<\/font><\/h3>\n

Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c<\/b> c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho c\u00e1c th\u1eed nghi\u1ec7m th\u1ecfa m\u00e3n c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau: \u00a0\u00a0<\/p>\n

\u00a0– Th\u1eed nghi\u1ec7m l\u00e0 c\u00e1c l\u1ea7n th\u1eed \u0111\u01b0\u1ee3c l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, v\u00ed d\u1ee5 nh\u01b0 gieo x\u00fac x\u1eafc 100 l\u1ea7n thay v\u00ec ch\u1ec9 m\u1ed9t l\u1ea7n.<\/p>\n

\u00a0– C\u00e1c th\u1eed nghi\u1ec7m ph\u1ea3i di\u1ec5n ra \u0111\u1ed9c l\u1eadp v\u1edbi nhau. V\u00ed d\u1ee5: n\u1ebfu tung c\u00f9ng l\u00fac hai con x\u00fac x\u1eafc, k\u1ebft qu\u1ea3 c\u1ee7a con x\u00fac x\u1eafc n\u00e0y s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 c\u1ee7a con x\u00fac x\u1eafc kia.<\/p>\n

\u00a0– X\u00e1c su\u1ea5t c\u1ee7a m\u1ed7i k\u1ebft qu\u1ea3 ph\u1ea3i gi\u1ed1ng nhau trong t\u1eebng l\u1ea7n th\u1eed. V\u00ed d\u1ee5: con x\u00fac x\u1eafc c\u00f3 s\u00e1u m\u1eb7t th\u00ec m\u1ed7i l\u1ea7n xoay con x\u00fac x\u1eafc, c\u00e1c k\u1ebft qu\u1ea3 ph\u1ea3i c\u00f3 1\/6 kh\u1ea3 n\u0103ng xu\u1ea5t hi\u1ec7n.<\/p>\n

\u00a0– M\u1ed7i l\u1ea7n th\u1eed ph\u1ea3i cho ra m\u1ed9t k\u1ebft qu\u1ea3 c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 khi l\u0103n hai con x\u00fac x\u1eafc s\u00e1u m\u1eb7t, k\u1ebft qu\u1ea3 s\u1ebd l\u00e0 m\u1ed9t s\u1ed1 t\u1eeb 2 \u0111\u1ebfn 12.\u00a0<\/p>\n

Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c cho ph\u00e9p t\u00ednh x\u00e1c su\u1ea5t \u0111\u1ec3 c\u00e1c k\u1ebft h\u1ee3p nh\u1eefng k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 x\u1ea3y ra. Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c th\u1eed nghi\u1ec7m trong c\u00e1c l\u0129nh v\u1ef1c khoa h\u1ecdc, \u0111\u1ea7u t\u01b0 v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c. \u00a0\u00a0<\/p>\n

V\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u1ec1 Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c\u00a0<\/font><\/h3>\n

Trong b\u1ed1i c\u1ea3nh \u0111\u1ea7u t\u01b0, m\u1ed9t nh\u00e0 qu\u1ea3n l\u00ed danh m\u1ee5c \u0111\u1ea7u t\u01b0 ho\u1eb7c nh\u00e0 ph\u00e2n t\u00edch t\u00e0i ch\u00ednh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c <\/b>\u0111\u1ec3 \u01b0\u1edbc t\u00ednh x\u00e1c su\u1ea5t gi\u1ea3 s\u1eed nh\u01b0 sau:<\/p>\n

– (a) Kh\u1ea3 n\u0103ng m\u1ed9t ch\u1ec9 s\u1ed1 v\u1ed1n h\u00f3a nh\u1ecf c\u00f3 l\u1ee3i nhu\u1eadn v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi ch\u1ec9 s\u1ed1 v\u1ed1n h\u00f3a l\u1edbn 70% th\u1eddi gian quan s\u00e1t.<\/p>\n

– (b) Kh\u1ea3 n\u0103ng m\u1ed9t ch\u1ec9 s\u1ed1 v\u1ed1n h\u00f3a l\u1edbn c\u00f3 l\u1ee3i nhu\u1eadn v\u01b0\u1ee3t tr\u1ed9i h\u01a1n ch\u1ec9 s\u1ed1 v\u1ed1n h\u00f3a nh\u1ecf 25% th\u1eddi gian quan s\u00e1t.<\/p>\n

– (c) Kh\u1ea3 n\u0103ng c\u1ea3 hai ch\u1ec9 s\u1ed1 v\u1ed1n h\u00f3a l\u1edbn v\u00e0 v\u1ed1n h\u00f3a nh\u1ecf c\u00f3 c\u00f9ng (ho\u1eb7c g\u1ea7n \u0111\u00fang) l\u1ee3i nhu\u1eadn 5% th\u1eddi gian quan s\u00e1t. \u00a0<\/p>\n

Trong v\u00ed d\u1ee5 n\u00e0y, th\u1eddi gian th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 di\u1ec5n ra trong v\u00f2ng m\u1ed9t n\u0103m giao d\u1ecbch, s\u1eed d\u1ee5ng d\u1eef li\u1ec7u t\u1eeb th\u1ecb tr\u01b0\u1eddng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3.<\/p>\n

N\u1ebfu x\u00e1c su\u1ea5t c\u1ee7a t\u1eadp h\u1ee3p c\u00e1c k\u1ebft qu\u1ea3 tr\u00ean \u0111\u1ee7 cao, nh\u00e0 \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 s\u1ebd thi\u00ean v\u1ec1 \u0111\u1ea7u t\u01b0 qu\u00e1 m\u1ee9c v\u00e0o ch\u1ec9 s\u1ed1 v\u1ed1n h\u00f3a nh\u1ecf.\u00a0 \u00a0<\/i><\/p>\n

(Theo Investopedia<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Ph\u00e2n ph\u1ed1i \u0111a th\u1ee9c (ti\u1ebfng Anh: Multinomial Distribution) l\u00e0 d\u1ea1ng ph\u00e2n ph\u1ed1i x\u00e1c su\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u00ednh to\u00e1n c\u00e1c th\u1eed nghi\u1ec7m li\u00ean quan \u0111\u1ebfn t\u1eeb hai bi\u1ebfn tr\u1edf l\u00ean.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[414],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/24534"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=24534"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/24534\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=24534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=24534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=24534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}