Consider the experiment of throwing a die. If a multiple of $3$ comes up,throw the die again,and if any other number comes,toss a coin. Find the conditional probability of the event 'the coin shows a tail',given that 'at least one die shows a $3$'.

  • A
    $0$
  • B
    $1/6$
  • C
    $1/3$
  • D
    $1/2$

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