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Gaokao Math Practice Question

10. 某棋手与甲、乙、丙三位棋手各比赛一盘, 各盘比赛结果相互独立. 已知该棋手与甲、 乙、丙比赛获胜的概率分别为 $p_{1}, p_{2}, p_{3}$, 且 $p_{3}>p_{2}>p_{1}>0$. 记该棋手连胜两盘的概率为 $p$, 则 ()

  1. A.$p$ 与该棋手和甲、乙、丙的比赛次序无关
  2. B.该棋手在第二盘与甲比赛, $p$ 最大
  3. C.该棋手在第二盘与乙比赛, $p$ 最大
  4. D.该棋手在第二盘与丙比赛, $p$ 最大

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