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[Issue Essay]

试题详情

题目:

Analytical!

选项:

答案:

提问:

On his drive to work, Leo listens to one of three radio stations, A, B, or C. He first turns to A. If A is playing a song he likes, he listens to it; if not, he turns to B. If B is playing a song he likes, he listens to it; if not, he turns to C. If C is playing a song he likes, he listens to it; if not, he turns off the radio. For each station, the probability is 0.30 that at any given moment the station is playing a song Leo likes. On his drive to work, what is the probability that Leo will hear a song he likes? 这个题目的0.3为什末代指在A station 播放到了自己喜欢的?不太理解0.3到底指的是甚麽

解答:

点赞0
阅读305257
解答: 徐小梅

提问:

请问May老师,条件1是对的吗?谢谢!

解答:

点赞0
阅读282694
解答: 徐小梅老师

提问:

请May老师作答。我算出来是330/7,不知道对不对。

解答:

点赞0
阅读283072
解答: 徐小梅老师

提问:

请问May老师,这道题应该选什么?谢谢

解答:

点赞0
阅读281824
解答: 徐小梅老师

提问:

请问May 老师,应该选哪个?谢谢

解答:

点赞0
阅读281328
解答: 徐小梅老师

提问:

请问May 老师,条件1是对的吗?

解答:

点赞0
阅读281067
解答: 徐小梅老师

提问:

老师,请问这道题选什么?

解答:

点赞0
阅读281953
解答: 徐小梅老师

提问:

老师,请问这道题选什么?

解答:

点赞0
阅读281113
解答: 徐小梅老师

提问:

这道题怎样缩放老师

解答:

点赞0
阅读283207
解答: 徐小梅老师

提问:

老师,请问这道题E为什么不对?为什么要用there is?不理解。

解答:

点赞0
阅读282424
解答: 金栩竹老师

提问:

请问老师,选哪个?

解答:

点赞1
阅读281619
解答: 陆旭老师

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