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Two unbiased coins are tossed. What is probability of getting at most one tail ?

  • \begin{aligned} \frac{1}{2} \end{aligned}
  • \begin{aligned} \frac{1}{3} \end{aligned}
  • \begin{aligned} \frac{3}{2} \end{aligned}
  • \begin{aligned} \frac{3}{4} \end{aligned}
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  • Prashant Kumar 9 years ago

    At most one tail should not include the TT case...as it includes two tails and we can have at most one..