MCQ
If $P ( A \cap B )=0.15, P \left( B ^{\prime}\right)=0.10$, then $P ( A / B )$ is
  • A
    $\frac{1}{3}$
  • B
    $\frac{1}{4}$
  • C
    $\frac{1}{5}$
  • $\frac{1}{6}$

Answer

Correct option: D.
$\frac{1}{6}$
(D)
$P(A / B)=\frac{P(A \cap B)}{P(B)}=\frac{P(A \cap B)}{1-P\left(B^{\prime}\right)}=\frac{0.15}{1-0.10}=\frac{1}{6}$

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