A board game spinner is divided into three regions labeled A , B and C . The probability of the arrow stopping on region A is (1/3) and on region B is (1/2) . The probability of the arrow stopping on region C is:

AMC 8 2002 Problem 12

AMC8 2002 年第 12 题

概率★★☆☆☆

A board game spinner is divided into three regions labeled

A

B

and

C

. The probability of the arrow stopping on region

A

\displaystyle \frac{1}{3}

and on region

B

\displaystyle \frac{1}{2}

. The probability of the arrow stopping on region

C

is:

一种棋盘游戏的转盘分成

A

、

B

、

C

三个区域。已知箭头停在区域

A

的概率为

\displaystyle \frac{1}{3}

，停在区域

B

的概率为

\displaystyle \frac{1}{2}

。那么箭头停在区域

C

的概率是：

正确答案 · Correct Answer

解析整理中

继续练习