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 macau1111 一星級會員 帖子66 積分86 註冊時間2012-3-18 [應用數學] 中七applied maths past paper一問 #1 發表於 2017-9-20 04:08 AM  只看該作者 繁 簡 [按此打開] [隱藏] 1995 Paper 2 Q5 mobile_1.jpg (367.09 KB)2017-9-20 04:08 AM C part answer 係1/16 唔明佢點計，睇埋marking 都唔明 mobile_2.jpg (1.05 MB)2017-9-20 04:08 AM 請師兄們教路🙇🏻 .postmorevideochannel { margin-top: 10px; display: block; width: 160px; height: 30px; background: url('/images/video_channel_more.png?v=20160829b') no-repeat; font-size: 0; } .postmorevideochannel:hover, .postmorevideochannel:focus { background-position: 0 -30px; } @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) { .postmorevideochannel { background: url('/images/video_channel_more_2x.png?v=20160829b') no-repeat; background-size: 100% auto; } }
 halola 高級會員 帖子647 積分640 註冊時間2015-9-8 #2 發表於 2017-9-20 08:07 AM  只看該作者 繁 簡 c part 要求至少做三次先得x>2，即係要求前兩次都係x<2，概率=（1－3╱4）^2=1/16 .postmorevideochannel { margin-top: 10px; display: block; width: 160px; height: 30px; background: url('/images/video_channel_more.png?v=20160829b') no-repeat; font-size: 0; } .postmorevideochannel:hover, .postmorevideochannel:focus { background-position: 0 -30px; } @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) { .postmorevideochannel { background: url('/images/video_channel_more_2x.png?v=20160829b') no-repeat; background-size: 100% auto; } }
 macau1111 一星級會員 帖子66 積分86 註冊時間2012-3-18 #3 樓主 發表於 2017-10-6 04:32 AM  只看該作者 繁 簡 Thank you，而家明白了，姐係同Geometric Distribution 差唔多？ .postmorevideochannel { margin-top: 10px; display: block; width: 160px; height: 30px; background: url('/images/video_channel_more.png?v=20160829b') no-repeat; font-size: 0; } .postmorevideochannel:hover, .postmorevideochannel:focus { background-position: 0 -30px; } @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) { .postmorevideochannel { background: url('/images/video_channel_more_2x.png?v=20160829b') no-repeat; background-size: 100% auto; } }