How To Answer Complex Questions IN SECONDS! (Fermi Estimates)

Data analytics and data science interviews for companies like Google, McKinsey, Amazon and more always ask Fermi Problems. But why? How can you learn how to solve them and get ahead in your data career. In this tutorial find out how Fermi estimates combined with a knowledge of landmark numbers can help you get further in your career.

00:00 - What are Fermi Problems?
00:42 - Why it's important to be able to answer them
01:11 - Why Fermi estimates works so well
01:34 - Example 1 and answer
02:19 - Example 2 and answer
03:36 - Example 3 and answer
04:55 - How to use Landmark Numbers

[sebastianschmidtataktien-e]

I like the more complex ones. If there are fewer interim estimates required, then you may be further off with the estimate as you will have less benefits from overestimations and underestimations evening out. Fun stuff. I estimated way fewer with the blades of grass. 36.000.000. You will do best if you have several people doing a Fermi estimate and then averaging.

[iprobablyhaveanameofsomeki]

Thank you so much for those landmark numbers, they’re incredibly helpful for Fermi questions!

[collinguckin]

20 blades of grass in a cm² is way over. I might say around 5-10

[physicsbutawesome]

Nice, I have always found Fermi questions fascinating. Have you ever been asked one in real life, like an interview?

[beautifulsmall]

UMIST physics question, for clean drinking water at the equator, de-salinate or drag icebergs. My answer was about the same. Kg m / s is all you need. Combine this monte carlo with fast aI. Scale is everything, Giga Farad to atto second

[marvelz]

Awesome vid thanks. That poor couch though haha

[CreateurWealth]

you are amazing- Hats off your all your effort and creativity... i loved all your videos

[ukaszsek]

1st exp. i guestimate 10 blades of grass for each 1cm3 i guestimate field for 30 meters by 70m - numbers of blades of gras approx 200 milion ( correction after checking: field is 100x70m so i underestimate somwere 3, 5 times :P but still close :))

[MaxVenous]

I came to know about this Fermi thing
From an Anime 🌚 - Amagi Brilliant park
, it's something about a guy trying to re-establish a broken amusement park

[tharun]

Great video. Any resources for developing skills in Fermi problems?

[near]

Thank you very much i really like this video of you ( sorry my english is bad)

[arjunrajkumar]

Intriguing! Is this actively being used in any field? Or is it just an abstract idea?

[planktonfun]

and your teacher always says wrong because you didn't use it her way