Uploaded March 2022 | Updated September 2026, 1 hour ago

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Top companies require top data scientists. The ones that are good at solving probability problems, which is what we’ll do in this video. We'll be looking at solving probability questions that have appeared in data science interviews at top companies.


Link to the questions:
Meta/Facebook question (Two cards have the same suit): platform.stratascratch.com/technical/2003-two-cards-same-suite?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link
Yammer question (2 people with the same birthday): platform.stratascratch.com/technical/2028-where-are-the-birthday-people?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link
Jane Street question (Getting 3 tails with 4 coins): platform.stratascratch.com/technical/2285-two-out-of-three-tails?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link

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👉 Subscribe to my channel: bit.ly/2GsFxmA
👉 Playlist for more data science interview questions and answers: bit.ly/3jifw81
👉 Playlist for data science interview tips: bit.ly/2G5hNoJ
👉 Practice more real data science interview questions: platform.stratascratch.com/technical?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link

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Timeline:

Intro: (0:00​​​)
Interview Question #1: (1:05)
Interview Question #2: (3:04)
Interview Question #3: (5:56)
Conclusion: (7:34​​)
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About The Platform:

I'm using StrataScratch (platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link), a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases.

So, if you want more interview practice with real data science interview questions, visit platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link. All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans.

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Contact:

If you have any questions, comments, or feedback, please leave them here!
Feel free to also email me at nathan@stratascratch.com
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#ProbabilityInterviewQuestions