Xueba: The Knowledge I Teach, The Crit Is Returned

072: On whether math helps in buying lottery tickets

Do you need inspiration?

=========

Maybe, maybe, a little bit.

Gu Bai is not so sure.

However, according to Gu Bai's experience in systematically rewarding hundreds of thousands of questions, the essence of the questions does not require inspiration.

You will know some math problems, and you won't. You may think about it for a while and then do it, but... this is not brought about by inspiration, but you have colluded with the 'knowledge points' in your mind. Then used it.

It is those world-class conjectures that can be used for inspiration.

Because this kind of world problem is different from the questions used in the exam, it is a brand-new, cutting-edge knowledge that cannot be solved even with some mathematical formulas.

Therefore, it is necessary to create and innovate new mathematical formulas and theorems at this time.

And at this time, that burst of 'inspiration' is especially critical.

"Is it?

Suddenly, Gu Bai's eyes lit up, and he thought of a possibility.

This kind of inspiration is not for some students at all, but for some professors and scientists!

These professors, scientists, they study some projects, some conjectures are unknown, need innovation, need to create, also need inspiration.

Thinking of this, Gu Bai suddenly became a little excited.

Because this thing is too important for some researchers and some professors.

Possibly, some professors have been immersed in certain problems for decades without thinking, just a little bit of creative inspiration.

However, Gu Bai can bring them these inspirations.

It is possible that a certain scientific research has been studied for several years, but it has not been successful, and it has almost changed in technological innovation.

However, Gu Bai was the one who brought them change.

"Cow. 99

“The system allows itself to not only teach ordinary senior high school students and college students to increase their knowledge, but also increase the inspiration of some professors and scientists.99

For a moment, Gu Bai understood the intention of the system.

For a moment, Gu Bai felt that the pattern of the system seemed to be very large.

No matter how powerful a person is, his energy is also limited. In a short period of time, it is impossible for him to drive the changes in the civilization of the whole world, but what if a group of people is very powerful?

Wouldn't that be different.

"Perhaps, in the near future, I can really cultivate a group of top geniuses.||.

"Even... lead Daxia's researchers to improve the civilization level of Blue Star!"

Thinking of this, Gu Bai's face unconsciously showed a touch of excitement.

Xueba's sea of ​​stars is important, but... it is also very important to be able to lead all the scientists in Daxia to a more advanced scientific research civilization.

woohoo~~~

Taking a deep breath, Gu Bai kept himself calm.

Gu Bai knew that to reach this point, he still needed time, at least he had to rise a few ranks before he was qualified to teach professors and scientists.

After eating at Linhai No. 1 University, Gu Bai did not rush back to the dormitory, but came to 201, 3rd Floor, Graduate Student, School of Mathematics.

Gu Bai is still carrying the identity of the team leader of the "National Mathematical Modeling Competition" of Linhai University.

Although Gu Bai is the prover of Zhou's conjecture, this level of award is just the icing on the cake for Gu Bai, but no matter how small a mosquito is, it is still meat.

Moreover, even having signed up to participate, Gu Bai was embarrassed to give up the game and let two teammates play.

"Xiao Bai is here." After seeing Gu Bai, Li Mengfan greeted him with a smile.

This is a junior in the mathematics department. During this time, after Gu Bai's serious teaching, Li Mengfan already has a feeling of being "on his own".

As for the senior 'Xue Jiabao' in programming, he practiced the 'matlab' programming software crazily during this time. For the mathematical model built by Gu Bai and the others, he can quickly compile it in the language of code.

Glancing at the 'mathematical modeling' topic that Senior Li Mengfan and Xue Jiabao were working on on the blackboard in the room, Gu Bai smiled: "Mathematical modeling of lottery tickets?"

"That's right. 35 Li Mengfan nodded and smiled: "Just curious, let's model it and see what the probability of winning the two-color ball is.

"Has the mathematical model been constructed?" Gu Bai also looked at the blackboard curiously.

In fact, whether it is a two-color ball or a lottery winning method, in the final analysis, it is also a mathematical probability problem.

Taking the two-color ball as an example, the front area has a total of 33 numbers, 1 to 33, choose 6; the rear area has 16 numbers, that is, 1 to 16, choose 1.

So the probability of its front zone is: 33*32*31*30*29*28/6*5*4*3*2*1=1107568.

The probability of the rear area is 16 to choose 1, and the probability is 16.

Then the probability of the first prize in the two-color ball is: 1107568*16=**

One in seventeen million.

em.... …

Seeing this probability, Gu Bai was stunned.

MMP, fortunately he didn't have the daydream of buying lottery tickets to make a fortune, the probability can't be said to be very low, only ridiculously low.

1 in 17 million, which is a lot more than your odds of guessing 'shit' on the road.

Of course, some people say that there are so many billion people in Daxia, and this is only a one in seventeen million probability. If one person buys one, someone will always win the lottery.

hehe~~

Gu Bai can only say that this kind of thinking is very unmathematical.

Putting aside some inside information, even if 1.3 billion people buy separately, in fact, the essential probability of each person is still 1 in 17 million.

Don't be unconvinced, look at how many lottery tickets are sold in each issue, how can you say there are hundreds of millions?

But byes are frequent.

Therefore, Welfare Lottery is not called Welfare Lottery, it should be called public welfare undertakings.

"Mmp's, I will never buy this thing again. ""

"It's just a daydream at all."

Senior Li Mengfan obviously only knew the mathematical relationship, and scolded with a smile.

"Can't say that either. 35

Gu Bai saw the angry look on Li Mengfan's face, and knew that he did not make less contributions to public welfare.

"How do you say? Do you have a new calculation formula? Can you reduce the probability?" After hearing Gu Bai's words, Senior Li Mengfan's eyes lit up.

Li Mengfan believed very much in Gu Bai's mathematical ability, and joked about the prover of "Zhou's Conjecture", what about you?

"If you refer to the winning numbers of previous issues, you can calculate a set of numbers with lower probability.

Gu Bai thought about it seriously, but then shook his head and said, "But... the odds of winning the lottery are also one in a million, there is no difference.

The probability of one in a few million, and more than one in ten million, seems to be much less, but in fact the essence of mathematics is still the same.

Otherwise, the lottery station would have long been surrounded by those mathematicians.

"..."

Senior Li Mengfan shook his head in disappointment.

On the other hand, Senior Xue Jiabao, who was typing the code, stopped what he was doing and said with a smile, "My brother Meng Fan, can't give up the dream of getting rich overnight.

"Although the probability is low, isn't there still someone winning the lottery?"

"How can you be sure that that person is not yours?"

"It also seems to make sense." Li Mengfan paused and said excitedly: "Although the probability is low, why is the person who won the lottery not me? What if I have bad luck?

Gu Bai smiled, there was really no way to refute this.

From the point of view of mathematics, winning lottery tickets is a fool's dream.

But from the perspective of metaphysics, why is the person who won the lottery not me, what if I have shit luck?

Does it make sense.

Perhaps this is the reason why many people are still obsessed even if they know that the probability of winning the lottery is very low.

After all... Xuan does not change his life!

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