probability (1 Viewer)

pc_wizz

pc_wizz

ρ s y c н o ρ α τ н ™
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argh ... i hate this topic ...

i have attached a screenshot of the ques ...

its part (iii) that i need done ... thanks

pcwizz
 

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Xayma

Xayma

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P(by)=8/13*10/22+5/13*12/22
=70/143

Or

P(by)=1-[p(bb)+p(yy)]
=1-[8/13*12/22+5/13*10/22]
=70/143
 
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