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How can you be sure of getting the expected 50 50 for flipping a coin?
Wiki User
∙ 15y ago
If you're trying to get a certain 50/50 chance for flipping a coin make sure it is different on both sides and isn't dodgy.
Wiki User
∙ 15y ago
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How can you be sure of getting the expected 50 50 ratio from flipping a coin?
You can never be sure. The more often you toss it the closer the probability gets to a 50-50 split but there is no guarantee.
Can a coin land an its side?
For this answer we must leave Answers.com and travel through another dimension -- a dimension not only of sight and sound but of mind. A journey into a wondrous land whose boundaries are that of imagination. That's a signpost up ahead: your next stop: the Twilight Zone! The episode was called "A Penny for Your Thoughts" (Season 2, episode 25 staring Dick York) The Opening narration of that episode goes as follows: Mr. Hector B. Poole, resident of the Twilight Zone. Flip a coin and keep flipping it. What are the odds? Half the time it will come up heads, half the time tails. But in one freakish chance in a million, it'll land on its edge. Mr. Hector B. Poole, a bright human coin, on his way to the bank. The man flips a coin, it lands on edge, and he discovers that he's mysteriously become telepathic. At the end of the episode, he knocks the coin over and the telepathy goes away. In reality, mathematicians have tried to figure this out as have physicists. The answer depends on the exact size and width of the edge of the penny, and many other factors. One this is for sure, Rod Serling was not far off when he guessed one in a million. Nickels have a larger chance of landing on their edge since they have a larger edge and probability of an American nickel landing on edge is approximately 1 in 6000 tosses by one source. The work is not all shown and I don't believe it has been duplicated. So I don't think there is an exact answer to your question, but the probability certainly is somewhere between 0 and a number very close to 0. It is statistically insignificant. I now return you to an area we call Answers. com|WikiAnswers.
What is the probability of a sure event?
It is 1.
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How can you be sure of getting the expected ration from flipping a coin?
Flipping a coin has a 50:50 chance. The only way to get close to the expected ratio is to flip a lot of times. It is never guaranteed.
How can you be sure of getting the expected 50 to 50 ratio from flipping a coin?
You can't be sure to get the 50/50 ratio of heads and tails. Each time will be a trial & error.
How can you be sure of getting the expected 50 50 ratio from flipping a coin?
You can never be sure. The more often you toss it the closer the probability gets to a 50-50 split but there is no guarantee.
How can you be sure of getting the expected 5050 ratio from flipping a coin How are the face of a coin similar to genes?
You cannot be sure. Not sure how the faces of a coin are similar to genes. There are two and you will get one from each parent. One or the other will dominate. However, while heads and tails of a coin are equally "powerful", some genes are far more powerful (recessive) than others.
How can you be sure of getting a 50 50 ratio from flipping a coin?
Use a fair coin and flip it infinitely many times. Until then the ratio may be close to 50:50 or may even be 50:50 at some point but you can never be sure of that.
How can you be sure of getting a 50 out of 50 ratio from flipping a coin?
You cannot because it is a random event. The whole point of it being a random event is that you can never be sure. The probability should get closer and closer to 50% as you increase the number of trials but there is no way to ensure certainty.
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After tossing the same coin 10 times you are surprised to find that tails has come up 9 times You therefore conclude that this coin is not fair and that the probability of getting tails with this co?
It may be that you don't have a "fair coin", or it might just be chance. To be sure - or rather, reasonably sure - you need to try tossing it quite a bit more times.
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If your not sure if a coin is genuine take it to a dealer or collector for their opinion.
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predictable, anticipated, calculable, certain, expected, sure, sure-fire
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When no one is looking get something that is the size of a coin or a coin and place it under your tong and then you hit your chest and spit the coin out. Make sure to not show the coin under your tong.
