It takes about five minutes to explain and uses some lengthy formulas, so we’re not going to reproduce it here. That may be true-the Oxford Computer Science Department does share-but it’s more likely this is just one of those brain teasers we like to imagine billionaires like Elon Musk and Jeff Bezos are always posing.Īnyway, if you’re ready for the solution, Talwalker lays out the process in his video. YouTuber Presh Talwalker, who, ahem, walks you through the problem in this video, says it’s sometimes described as an Oxford admissions question. While you think that over, we’ll give you a little background on the question. Got it? Okay, so now: What’s the average amount you can expect to win in this game? In other words, what’s the value of it? You just need to click on the coin to toss. Choose a coin from the dropdown menu at the top of the page and choose the coin you would like to flip. FlipCoinOnline is an online tool for tossing a coin and showing which side is going down, heads or tail, Adopted to solve a dispute between two parties to choose between. metric and a natural choice when dealing with digital communications. Coin flipping is often used as an unbiased way to call sports games, settle personal bets and disputes, or for many other reasons that you would need to decide something on a 50 basis. However, when it lands on tails, you get nothing, and the game is over. The probability of any given coin flip sequence S consisting of h head and t tail. And the game continues: You get to toss the coin again. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs. (It’s what’s known as an unfair or biased coin.) When you flip the coin and it lands on heads, you get one dollar. Coin Flipper This form allows you to flip virtual coins. It’s not a fair coin-meaning that it doesn’t land on each side half the time. Because hey, maybe you’ve already finished Netflix, and that ten-hour train video stopped making good background watching the fourth time through. You like math problems, right? And now’s as good a time as any to really sit down and ponder a good one.

Digital coin flip