Respuesta :

frika

Answer:

C. 0.5

Step-by-step explanation:

Use formula for conditional probability

[tex]P(B|A)=\dfrac{P(A\cap B)}{P(A)}[/tex]

Given:

[tex]P(A\cap B)=0.1\\ \\P(A)=0.2,[/tex]

then

[tex]P(B|A)=\dfrac{0.1}{0.2}=\dfrac{1}{2}=0.5[/tex]