Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Probability has a popular meaning that is not the same as the mathematical meaning. As a small-business owner, you may act on hunches, guesses and instincts. After such actions, you might even say you ...

The sample space diagram shows there are 6 ways of making a 7, out of a total of 36 possible outcomes. Therefore, the probability of rolling two dice and the sum being 7 is \(\frac{6}{36} = \frac{1}{6 ...

The outcomes of rolling a six-sided die are: 1, 2, 3, 4, 5, 6. A probability of zero means an outcome is impossible. A probability of 1 means an outcome is certain ...

Life rarely hands us neat examples, though. Events mix, overlap, depend on past outcomes and human behaviour. That’s where ...

There are 36 cards labeled with the numbers 1 through 36 and then placed face down on a table. If four cards are revealed one after the other, what is the probability that each card’s number is larger ...

Hillel Furstenberg, 84, and Gregory Margulis, 74, both retired professors, share the mathematics equivalent of a Nobel Prize. By Kenneth Chang Two mathematicians who showed how an underappreciated ...

I also asked a handful of math teachers to share their answers more in-depth. Here’s what they said: Nicole Smith, a high school math teacher in North Carolina, said she tries to proactively address ...