Goldman Sachs数据相关面经_Goldman Sachs数据相关面试真题及高频题

1.Probability and Statistics - Creating triangles

2.Probability and Statistics - Point on a disc

3.Probability and Statistics - Bullseye

4.Expected Maximum of n Uniformly Distributed Variables

5.Probability of Drawing a Gold Coin

6.Expected Value of Exponential of a Normally Distributed Variable

7.Winning Strategy for Matrix Rank Game

8.Optimal Guessing Strategy for a Random Number Game

9.Probability of the Product of Two Uniformly Distributed Variables

10.Snake Case to Camel Case Conversion

11.Distinct Holes in a 2D Grid

1. Probability and Statistics - Creating triangles

What is the probability of creating an acute-angled triangle?

2. Probability and Statistics - Point on a disc

What is the expected distance from the center for a point chosen at random inside a unit circle?

3. Probability and Statistics - Bullseye

In a bullseye game, if you hit within a 1cm radius, you score 50 points, and if you hit between 1cm and 2cm radius, you score 30 points. What is the expected score?

4. Expected Maximum of n Uniformly Distributed Variables

What is the expected maximum value of n independent and identically distributed variables uniformly distributed between 0 and 1?

5. Probability of Drawing a Gold Coin

Starting with x gold coins and y silver coins in a bag, if you draw one coin at random and then replace it with a gold coin, what is the probability of drawing a gold coin after k draws?