Four numbers are chosen at random from $\{1, 2, 3, \ldots, 40\}$. The probability that they are not consecutive is:

  • A
    $\frac{1}{2470}$
  • B
    $\frac{4}{7969}$
  • C
    $\frac{2469}{2470}$
  • D
    $\frac{7965}{7969}$

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