A or B

专题: Strategy / 策略
难度: L4
来源: QuantQuestion

题目详情

玩家 $A$ 和 $B$ 玩一个弹珠游戏。每个玩家各有一颗红弹珠和一颗蓝弹珠，并同时向对方展示一颗。如果双方都出红色， $A$ 赢 $3；如果双方都出蓝色， $A$ 赢 $1；如果颜色不同， $B$ 赢 $2。奖金来自外部来源，并不是由另一名玩家支付。

选择成为 $A$ 更好，还是成为 $B$ 更好，还是无所谓？

Two players $A$ and $B$ play a marble game. Each player has both a red and a blue marble. They present one marble to each other. If both present red, $A$ wins $3. If both present blue, $A$ wins $1. If the colors do not match, $B$ wins $2. The winnings come from an external source, not from the other player.

Is it better to be $A$ , or $B$ , or does it matter?

解析

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