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[Problem Solving]

试题详情

题目:

A gumball dispenser has 24 gumballs, 12 white and 12 black, which are dispensed at random. If the first 3 gumballs dispensed are black, what is the probability that the next gumball dispensed will be black?

选项:

A、
B、
C、
D、
E、

答案:

D

提问:

概率题,求解

解答:

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阅读579
解答: sysadmin

提问:

概率题,求解

解答:

点赞0
阅读580
解答: sysadmin老师

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