A fair coin is tossed repeatedly. If tail appears on first four tosses then the probability of head appearing on fifth toss equals

  • [IIT 1998]
  • A

    $\frac{1}{2}$

  • B

    $\frac{1}{{32}}$

  • C

    $\frac{{31}}{{32}}$

  • D

    $\frac{1}{5}$

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