150 Most Frequently Asked Questions On Quant Interviews Better [100% HOT]

"You roll two dice. You get $1 for each dot on the first die, but you lose $1 for each dot on the second. What’s the expected value?"

: Answers are designed to mirror how they should be delivered in an actual interview—complete but straight to the point. Strengths 150 Most Frequently Asked Questions On Quant Interviews

What is the probability that the sum of two 6-sided dice is 8? "You roll two dice

Most people fail on simple probability, not complex ML. Strengths What is the probability that the sum

16. Normal Distribution: If $X \sim N(0,1)$, what is $E[|X|]$? 17. Uniform Distribution: Two random variables $X$ and $Y$ are uniformly distributed on $[0,1]$. What is the probability that the distance between them is greater than 0.5? 18. Exponential Distribution: What is the memoryless property, and how does it apply to radioactive decay modeling? 19. Gaussian Integrals: Calculate the integral $\int_-\infty^\infty x^2 e^-x^2 dx$. 20. PDF/CDF: Given the PDF $f(x) = 2x$ for $x \in [0,1]$, calculate the median and the mean.