If $A$ and $B$ are any two events such that $P(A) = \frac{2}{5}$ and $P(A \cap B) = \frac{3}{20}$,then the conditional probability $P(A | A' \cup B')$,where $A'$ denotes the complement of $A$,is equal to:

  • A
    $11/20$
  • B
    $5/17$
  • C
    $8/17$
  • D
    $1/4$

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