Mathematics
Mathematics, 20.09.2019 08:30, kidzay

Aand b are two events.
p(a)=0.25 , p(b)=0.5 and p(a and b)=0.15 .
what is the value of p(a or b) ?

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Aand b are two events.
p(a)=0.25 , p(b)=0.5 and p(a and b)=0.15 .
what is the value of p...

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