Peerless waste material: Miss dandy

Chapter 182 [0017] The challenge begins 5 (plus more ~ ​​1)

Although there were many voices of resentment, Fengliu was not affected in the slightest, because she had already completed the professional research questions and got full marks, and started to overcome the thinking-broadening questions.

Good luck does not seem to be favoring Fengliu, and the goddess of luck may have dozed off. Fengliu has encountered several problems, and they are still modern problems!
This unscientific!

It is obviously a different world, why do modern things always appear?Is there any connection?

Although Feng Liu was full of doubts, the time did not allow her to think too much. There were still 10 minutes left, but she still had three questions to solve.

And when she paused to think, people in the square started discussing one after another, as if they were all scrambling to read the topic in order to gain breath or prove something.

"93 Three boys fell in love with a girl at the same time. In order to decide which of them could marry this girl, they decided to have a duel with pistols. Xiao Li's hit rate was 30%, and Xiao Huang was better than him, with a hit rate of 50%. The best shooter is Kobayashi, he never makes a mistake and his hit rate is 100%. Due to this obvious fact, for the sake of fairness, they decided to follow this order: Xiao Li shoots first, Xiao Huang second, and Xiao Lin last. Then cycle like this , until there is only one of them left. So who of these three has the best chance of surviving? What strategy should they all adopt?"

“95S先生、P先生、Q先生他们知道桌子的抽屉里有16张扑克牌：红桃A、Q、4黑桃J、8、4、2、7、3草花K、Q、5、4、6方块A、5。约翰教授从这16张牌中挑出一张牌来，并把这张牌的点数告诉P先生，把这张牌的花色告诉Q先生。这时，约翰教授问P先生和Q先生：你们能从已知的点数或花色中推知这张牌是什么牌吗？于是，S先生听到如下的对话：
Mr. P: I don't know this card.

Mr. Q: I know you don't know this card.

Mr. P: Now I know this card.

Mr. Q: I also know.

After listening to the above conversation, Mr. S thought about it for a while, and then correctly deduced what kind of card this card is.Question: What is this card? "

"99 Once upon a time, there was an old watchmaker who installed a big clock for a church. He was old and blind, and he assembled the long and short hands wrongly. Instead, the speed of the short hand was 12 times that of the long hand. The time of assembly was 6 o'clock in the morning. , he pointed the short hand at "6" and the long hand at "12". The old watchmaker went home after installing it. People looked at the clock for a while at 7 o'clock, and after a while it was 8 o'clock. It was very strange, so I went to the old watchmaker immediately. When the old watchmaker arrived, it was already past 7 o'clock in the afternoon. He took out a pocket watch and got a pair. The clock still ran at 8 o'clock and 9 o'clock, and people went to the watchmaker again. The old watchmaker came to use a pair of watches at 8 o'clock the next morning, and they were still accurate. Please think about it, the old watchmaker first time What time was it at 7:8 when the watch was checked? What time was it at [-]:[-] when the watch was checked the second time?"

"My God, what kind of messy questions are these? Can a human being answer them?"

"Fall in love with a girl and shoot a duel? Are you stupid? And what the hell is poker? What's a watchmaker? Why can't I even understand the title?"

"What kind of unlucky question is this! No wonder not many people pass the test every year. If you encounter such a test, just wait to be caught blind!"

"I bet a pack of spicy sticks, that kid can't make it!"

"plus one"

……

The people in the square didn't know whether they really didn't want Fengliu to answer, or they were just doing it for a joke, in short, they didn't like Fengliu.

　The answer to the first question.

　　Xiao Li has the highest probability of survival.
　　1. Xiao Li has three choices, empty gun, shoot Xiao Huang, and shoot Xiao Lin.
　　Xiao Li will not choose to shoot Xiao Huang, because there is a 30% probability that Xiao Huang will die. If Xiao Lin is involved, Xiao Li must die, and the probability of death is 30%;
　　Xiao Li will not choose to shoot Xiao Lin, because there is a 30% probability that Xiao Lin will die, Xiao Huang fights back, Xiao Li may die, and the death probability is 30%*50%=15%;
　　Xiao Li will choose an empty gun, because Xiao Huang will definitely shoot Xiao Lin, and the probability of Xiao Lin's death is 50%;
　　If Kobayashi does not die, he must shoot Xiaohuang. The probability of Xiaohuang's death is 50%*100%=50%;
　　The probability of Xiaoli's death is 0.
　　2. At this time, one of Xiao Huang and Xiao Lin must die. Xiao Li may face Xiao Huang, and may face Xiao Lin.
　　Facing Xiao Huang, the probability of survival is 30%+70%*50?%=65%
　　Facing Kobayashi, the probability of survival is 30%+70%*100%=30%
　　The aggregated survival probabilities are:
　　小李，65%*50%+30%*50%=47.5%
　　Little yellow 50%*70%=35%
　　Kobayashi 50%*70%=35%
　　Therefore, Xiao Li has the highest probability of survival. The method is as described above

　　
　
(End of this chapter)