How many combinations can you arrange them in? The answer is 4!, or 24. Let's assume your couch has four cushions. The instructions for your living room couch will probably recommend that you rearrange the cushions on a regular basis. If you think 5! means to yell the number five then keep reading. If you already know about the factorial function you can skip ahead.
The skills used here can be applied to a wide range of probability problems. This assumes some level mathematical proficiency anyone comfortable with high school math should be able to work through this explanation. I have been asked so many times how I derived the probabilities of drawing each poker hand that I have created this section to explain the calculation. On This Page Poker Math Derivations for Five Card Stud
