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07-11-2019
Mathematics

contestada

PA) = 0.20
AB) = 0.25
PA and B) = 0.10
What is PBA)?

PA 020 AB 025 PA and B 010 What is PBA class=

Respuesta :

11-11-2019

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]

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