Statistics

What is the relationship between sample size and margin of error? What do they represent?

Let’s say you can play a coin flipping guessing game either once or a 2 out of 3 game. What is the best strategy for winning?

How do you maintain database integrity where deletions from one table will automatically cause deletions in another table?

Let's say you're playing a dice game. You have 2 die. What's the probability of rolling at least one 3?

What is unbiasedness as a property of an estimator? Is this always a desirable property when performing inference?

What might be the benefits of running an A/A test, where you have two buckets who are exposed to the exact same product?

Let's say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value. How would you assess the validity ...

Aman and Akash take turns in rolling a fair six-sided die. Whoever rolls a "6" first wins the game. Akash starts by rolling first. What's the probability that Aman wins?

Let's say you're playing a dice game. You have 2 die. What's the probability of rolling at least one 3?