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165 pagesrevision 46935
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Aitchison College Academic Resources.
[3]
(iii) Two students are selected at random from the 40 students
Calculate the probability that one student takes more than 25 minutes and the other student
takes 10 minutes or less to travel toschool. g¢4+ rst
faop cre mines
“Wz
34
3 \,/ 3
34% no *
14 3
So . S2 vr OI
1$6o (S60
euctes224 + He os80/42/M//24
= 14
zee
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