{"id":16123,"date":"2021-11-27T20:00:41","date_gmt":"2021-11-27T13:00:41","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=16123"},"modified":"2021-11-27T20:00:44","modified_gmt":"2021-11-27T13:00:44","slug":"khi-cac-dong-xu-duoc-tung-len-ti-le-cung-xuat-hien-mat-ngua-la-bao-nhieu","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/khi-cac-dong-xu-duoc-tung-len-ti-le-cung-xuat-hien-mat-ngua-la-bao-nhieu\/","title":{"rendered":"Khi c\u00e1c \u0111\u1ed3ng xu \u0111\u01b0\u1ee3c tung l\u00ean, t\u1ec9 l\u1ec7 c\u00f9ng xu\u1ea5t hi\u1ec7n m\u1eb7t ng\u1eeda l\u00e0 bao nhi\u00eau?"},"content":{"rendered":"\n<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 &#8211; Arkady Leokum<\/p>\n\n\n\n<p>T\u1ec9 l\u1ec7 12 \u0111\u1ed3ng xu c\u00f9ng ng\u1eeda khi tung l\u00ean m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean l\u00e0 1\/4096 &#8211; th\u1eadt s\u1ef1 l\u00e0 m\u1ed9t t\u1ec9 l\u1ec7 nh\u1ecf nh\u01b0ng c\u0169ng \u0111\u1ee7 \u0111\u1ec3 bi\u1ec7n h\u1ed9 cho nh\u1eefng m\u1ed1i nghi ng\u1edd cho r\u1eb1ng c\u00f3 s\u1ef1 l\u1eeba b\u1ecbp. \u0110\u01b0\u01a1ng \u0111\u1ea7u v\u1edbi c\u00e2u h\u1ecfi n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc trong m\u1ed9t kho\u1ea3ng th\u1eddi gian d\u00e0i \u0111\u00e3 d\u1ef1a v\u00e0o m\u1ed9t quy t\u1eafc. Quy t\u1eafc \u0111\u00f3 cho r\u1eb1ng nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng c\u00f3 v\u1ebb nh\u01b0 l\u00e0 l\u1eeba b\u1ecbp (n\u00f3i theo t\u1eeb chuy\u00ean m\u00f4n l\u00e0 \u201cc\u00f3 t\u00ednh ch\u1ea5t x\u00e1c su\u1ea5t\u201d) x\u1ea3y ra n\u1ebfu t\u1ec9 l\u1ec7 c\u1ee7a vi\u1ec7c thu th\u1eadp c\u00e1c k\u1ebft qu\u1ea3 quan s\u00e1t \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean l\u00e0 nh\u1ecf h\u01a1n 1\/20. \u0110\u1ed1i v\u1edbi vi\u1ec7c tung m\u1ed9t \u0111\u1ed3ng xu, quy t\u1eafc \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu \u0111\u1ea1t \u0111\u01b0\u1ee3c 5 ho\u1eb7c nhi\u1ec1u h\u01a1n m\u1eb7t ng\u1eeda (ho\u1eb7c \u00fap) \u1edf c\u00e1c l\u1ea7n tung li\u00ean t\u1ee5c s\u1ebd g\u00e2y ra m\u1ed1i nghi ng\u1edd v\u1ec1 s\u1ef1 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c \u0111\u1ed3ng xu. T\u1ea5t nhi\u00ean, s\u1ef1 sai l\u1ec7ch s\u1ebd kh\u00f4ng b\u1ed9c l\u1ed9 d\u01b0\u1edbi d\u1ea1ng m\u1ed9t d\u00e3y li\u00ean t\u1ee5c c\u00e1c m\u1eb7t ng\u1eeda: 100 \u0111\u1ed3ng xu \u0111\u01b0\u1ee3c tung l\u00ean s\u1ebd c\u00f3 \u00edt nh\u1ea5t 64 m\u1eb7t ng\u1eeda theo th\u1ee9 t\u1ef1 b\u1ea5t k\u1ef3, \u0111i\u1ec1u \u0111\u00f3 \u0111\u01b0\u1ee3c ngh\u0129 r\u1eb1ng theo \u0111\u00fang t\u00ednh ch\u1ea5t x\u00e1c su\u1ea5t. T\u1ec9 l\u1ec7 c\u1ea7n cho vi\u1ec7c g\u00e2y ra c\u00e1c m\u1ed1i nghi ng\u1edd s\u1ebd ti\u1ebfn g\u1ea7n t\u1edbi 50% khi s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ed3ng xu \u0111\u01b0\u1ee3c tung t\u0103ng l\u00ean (ph\u1ea3n \u00e1nh m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng r\u1eb1ng, n\u1ebfu \u0111\u1ed3ng xu ho\u00e0n to\u00e0n c\u00e2n b\u1eb1ng, t\u1ec9 l\u1ec7 c\u00f3 m\u1eb7t ng\u1eeda c\u0169ng s\u1ebd ti\u1ebfn \u0111\u1ebfn r\u1ea5t g\u1ea7n con s\u1ed1 50%). V\u1edbi 1.000 \u0111\u1ed3ng xu \u0111\u01b0\u1ee3c tung, t\u1ec9 l\u1ec7 c\u00f3 m\u1eb7t ng\u1eeda l\u00e0 52,7% trong khi 10.000 \u0111\u1ed3ng xu \u0111\u1ef1\u01a1c tung th\u00ec t\u1ec9 l\u1ec7 l\u00e0 50,83%. \u0110i\u1ec1u \u0111\u00f3 gi\u1ea3i t\u1ecfa c\u00e1c m\u1ed1i nghi ng\u1edd b\u00ean trong c\u00e1c quy t\u1eafc khoa h\u1ecdc th\u00f4ng th\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 &#8211; Arkady Leokum T\u1ec9 l\u1ec7 12 \u0111\u1ed3ng xu c\u00f9ng ng\u1eeda khi tung l\u00ean m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean l\u00e0 1\/4096 &#8211; th\u1eadt s\u1ef1 l\u00e0 m\u1ed9t t\u1ec9 l\u1ec7 nh\u1ecf nh\u01b0ng c\u0169ng \u0111\u1ee7 \u0111\u1ec3 bi\u1ec7n h\u1ed9 cho nh\u1eefng m\u1ed1i nghi ng\u1edd cho r\u1eb1ng c\u00f3 s\u1ef1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-16123","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=16123"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16123\/revisions"}],"predecessor-version":[{"id":16125,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16123\/revisions\/16125"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=16123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=16123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=16123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}