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Multiple choice

A player toss a coin. He sets one point for head and $2$ points for tail probability his score is $5$ after four trails is

  1. $\dfrac { 1 } { 2 }$
  2. $\dfrac { 1 } { 4 }$
  3. $\dfrac { 3 } { 4 }$
  4. $\dfrac { 1 } { 8 }$
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