For a binomial variate $X,$ if $\text{n}=3$ and $\text{P(X}=1)=8\text{ P(X = 3}),$ then $p =$
  • A$\frac{4}{5}$
  • B$\frac{1}{5}$
  • C$\frac{1}{3}$
  • D$\frac{2}{3}$
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