alyssagc20 alyssagc20

01-05-2019
Mathematics

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Events A and B are independent. Find the missing probability.
P(b)=9/20,p(a|b)=1/5,p(a)=?

Respuesta :

jovanadimovska jovanadimovska

01-05-2019

Answer:

4/9

Step-by-step explanation:

since they are independent

p(ab)=p(a/b)=p(a)*p(b)

1/5=p(a)*9/20

p(a)=[tex]\frac{\frac{1}{5} }{\frac{9}{20} } = 4/9[/tex]

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