{"id":1261,"date":"2017-09-18T16:29:18","date_gmt":"2017-09-18T20:29:18","guid":{"rendered":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/?p=1261"},"modified":"2017-09-15T12:30:14","modified_gmt":"2017-09-15T16:30:14","slug":"math-9-lesson-2-fall-2017-9182017","status":"publish","type":"post","link":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/2017\/09\/18\/math-9-lesson-2-fall-2017-9182017\/","title":{"rendered":"Math 9, Lesson 2, Fall 2017, 9\/18\/2017"},"content":{"rendered":"<p>Two events are called to be independent events if the occurrence or non-occurrence of one event does not affect the probability of the other event.<\/p>\n<p>If A and B are independent events, the probability of both events A and B occurring is the product of their individual probabilities:<\/p>\n<p>P(A and B) = P(A) * P(B)<\/p>\n<p>With this, we can simplify tree diagrams when dealing with problems with multiple same items by simply marking their probabilities.<\/p>\n<p>When two (or more) events are dependent to each other, we cannot use the product rule, but we can still use the tree diagrams to help us finding probabilities.<\/p>\n<p>Homework:<\/p>\n<p>Print these pages:\u00a0<a href=\"http:\/\/blog.newtonchineseschool.org\/wangweidong\/files\/2016\/09\/WorkBookP12.pdf\" target=\"_blank\">Page 1<\/a>,\u00a0<a href=\"http:\/\/blog.newtonchineseschool.org\/wangweidong\/files\/2016\/09\/WorkBookP14.pdf\" target=\"_blank\">Page 2<\/a>,\u00a0<a href=\"http:\/\/blog.newtonchineseschool.org\/wangweidong\/files\/2016\/09\/WorkBookP15.pdf\" target=\"_blank\">Page 3<\/a><\/p>\n<p>Workbook Page 12, #6 \u2013 #10, #16 \u2013 #20.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Two events are called to be independent events if the occurrence or non-occurrence of one event does not affect the probability of the other event. If A and B are independent events, the probability of both events A and B occurring is the product of their individual probabilities: P(A and B) = P(A) * P(B) [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[22,4,20,3],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/posts\/1261"}],"collection":[{"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/comments?post=1261"}],"version-history":[{"count":1,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/posts\/1261\/revisions"}],"predecessor-version":[{"id":1262,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/posts\/1261\/revisions\/1262"}],"wp:attachment":[{"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/media?parent=1261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/categories?post=1261"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/tags?post=1261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}