What are the chances of rolling a dice and getting 5? Of course, 1/6. What are the chances a randomly selected number between 1 and 100 is 32? 1/100. — Suppose you download your bank transactions for 2020. What are the chances that a random transaction’s amount begins with 3? Considering that there are 9 possible digits (omitting 0 as a 1st digit), you’d logically guess 1/9. Surprisingly, this is wrong. The true probability is actually around 12%. …

If computers only do what we tell them, how do they create random numbers? Random numbers are all around us, particuarly when we look at computers. Our “auto-generated” passwords, the amount of coins you win for logging in daily to your favorite game, and, of course, the =RAND() Excel function…

Is our company’s Facebook advertising even worth the effort? QUESTION: A company would like to know if their advertising is effective. Before you start, yes…. Facebook does have analytics for users who actually utilize their advertising platform. Our customer does not. …

I think it’s semi-rare to find data science problems that aren’t using iris or titanic. Which is why, for my first-ever Medium post, I’m going to show a project from start-to-finish. Actual data. Actual problem. Actual solution that saves a business money. QUESTION: A restaurant would like to optimize its…

When you think of the largest companies in the world, who do you think of?