查看完整版本 : 中七applied maths past paper一問

macau1111 2017-9-20 04:08 AM

中七applied maths past paper一問

1995 Paper 2 Q5[attach]7352662[/attach]
C part answer 係1/16
唔明佢點計,睇埋marking 都唔明

[attach]7352663[/attach]
請師兄們教路🙇🏻

halola 2017-9-20 08:07 AM

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

macau1111 2017-10-6 04:32 AM

Thank you,而家明白了,姐係同Geometric Distribution 差唔多?
頁: [1]
查看完整版本: 中七applied maths past paper一問