dominiquewade00 dominiquewade00
  • 08-01-2018
  • Mathematics
contestada

According to the general equation for conditional probability, if P(A^B)=4/7 and P(B)=7/8, what is P(A B)?

Respuesta :

ELduroPR
ELduroPR ELduroPR
  • 08-01-2018
d.32/49 is your correct answer
Answer Link
RenatoMattice RenatoMattice
  • 16-05-2019

Answer: P(A|B)=[tex]\dfrac{32}{49}[/tex]

Step-by-step explanation:

Since we have given that

P(A∩B)= [tex]\dfrac{4}{7}[/tex]

and P(B) = [tex]\dfrac{7}{8}[/tex]

We need to find P(A|B).

As we know the formula for "Conditional Probability ":

[tex]P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}\\\\P(A\mid B)=\dfrac{\dfrac{4}{7}}{\dfrac{7}{8}}\\\\P(A\mid B)=\dfrac{4\times 8}{7\times 7}\\\\P(A\mid B)=\dfrac{32}{49}[/tex]

Hence, P(A|B) = [tex]\dfrac{32}{49}[/tex]

Answer Link

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