fedeteva fedeteva
  • 11-07-2020
  • Mathematics
contestada

P(A) = .20 P(B) = .25 P(A and B) = .10 What is P(B given A)

Respuesta :

belgrad belgrad
  • 17-07-2020

Answer:

[tex]P(\frac{B}{A} ) = 0.5[/tex]

Step-by-step explanation:

Explanation:-

Given P(A) = 0.20 and P(B) = 0.25   and P( A∩ B) = 0.10

By using conditional probability

The probability of B given A

               [tex]P(\frac{B}{A} ) = \frac{P(A n B)}{P(A)}[/tex]

               [tex]P(\frac{B}{A} ) = \frac{0.10}{0.20}[/tex]

               [tex]P(\frac{B}{A} ) = 0.5[/tex]

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