Let $A$ and $B$ be two events such that $P(A \cap B) = \frac{1}{6}$, $P(A \cup B) = \frac{31}{45}$, and $P(\bar{B}) = \frac{7}{10}$, then:

  • A
    $A$ and $B$ are independent
  • B
    $A$ and $B$ are mutually exclusive
  • C
    $P\left(\frac{A}{B}\right) < \frac{1}{6}$
  • D
    $P\left(\frac{B}{A}\right) < \frac{1}{6}$

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