Help Alan pass his Quant Interview!

Quant Questions IO · Intermediate ·🔢 Mathematical Foundations ·2y ago

Skills: Probability & Statistics90%Maths for ML80%ML Maths Basics60%

Key Takeaways

Solving a Quant Interview question involving probability and unfair coins, using concepts such as Bayes' Theorem and conditional probability to calculate the probability of selecting the unfair coin.

Full Transcript

this is Allan Allan wants to get a job in Quan Finance to make them fat stacks he walks into his interview and is told you have a pile of 100 coins in front of you one of them is unfair coin meaning it has heads on both sides the remaining 99 are fair coins you randomly select a coin flip it 10 times and get 10 heads calculate the probability that the coin you selected is the unfair coin [Music] [Music] click the link below to watch the full Solution on YouTube and go to Quant questions iio to find more Quant interview questions [Music]

Original Description

Quant Interview question Check out the full solution here: https://www.youtube.com/watch?v=gpJCL2ZuSDU For more quant questions: https://quantquestions.io For more videos like this, Like Comment and Subscribe!!!

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This video teaches how to solve a Quant Interview question involving probability and unfair coins, using concepts such as Bayes' Theorem and conditional probability to calculate the probability of selecting the unfair coin. The question requires the application of mathematical techniques and probability theory to arrive at the solution.

Key Takeaways

Define the problem and the given information
Identify the unfair coin and its properties
Apply Bayes' Theorem to calculate the probability
Use conditional probability to update the probability
Calculate the final probability of selecting the unfair coin

💡 The key insight in this problem is to recognize that the probability of selecting the unfair coin is not the same as the probability of getting 10 heads, and that Bayes' Theorem can be used to update the probability based on the new information.

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