Quantitative Research Internship Interview Questions

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The classic ‘Airplane’ brain teaser problem. A drunk boards an airplane and sits down in a random seat. Each passenger boarding after the drunk sits in their assigned seat or picks at random if their seat is taken. What is the probability that the last passenger boarding will be able to sit in their assigned seat?
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Quantitative Researcher

Interviewed at IMC Trading

4.1
Nov 17, 2022

The classic ‘Airplane’ brain teaser problem. A drunk boards an airplane and sits down in a random seat. Each passenger boarding after the drunk sits in their assigned seat or picks at random if their seat is taken. What is the probability that the last passenger boarding will be able to sit in their assigned seat?

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