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Topic: Coin toss

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Fair coin

	Coin Toss Math Lesson Plan, Thematic Unit, Activity, Worksheet, or Mathematics Teaching Idea
		Have "student one" toss the coin and record results.
		Finally, pass out the worksheet and tell them that their assignment is to toss the coin 100 times, tally their results and be prepared to share their results the following day.
		Toss your coin into the air 100 times.
	www.lessonplanspage.com /MathCoinTossProbStats46.htm (333 words)

	Toss Out the Toss-Up: Bias in heads-or-tails: Science News Online, Feb. 28, 2004
		A new mathematical analysis suggests that coin tossing is inherently biased: A coin is more likely to land on the same face it started out on.
		Every other possible toss is biased, according to an analysis described on Feb. 14 in Seattle at the annual meeting of the American Association for the Advancement of Science.
		Keller observes, "Some people can throw the coin up so that it just wobbles but looks to the observer as if it is turning over." To see whether the predicted bias shows up in actual coin tosses, the team made movies of tossed coins and then calculated the axes of spin.
	www.sciencenews.org /articles/20040228/fob2.asp (786 words)

	Mendelian Genetics game
		The exercise involves filling in the genotype chart by tossing a coin to determine which of the two alleles is inherited by an offspring.
		Try tossing the coin, with X as heads and Y as tails to determine the sex ratio of the ten offspring.
		You also need not toss the coin for a father in the case of a sex-linked trait since the sex of the offspring requires that either the X or the Y chromosome is contributed by the father.
	www.wsu.edu /~omoto/papers/cointoss.html (1965 words)

	Coin Toss/Halftime/Overtime - 5 Man Mechanics - Football.Refs.Org (Site not responding. Last check: )
		The coin toss may be held on the field thirty (30) minutes before kickoff and in the end zone near the official scoreboard.
		The Coin Toss - the Referee should confirm who is the speaking captain for the visiting team and ask him to call the coin while it is in the air.
		Toss winner shall choose end of field at which ball will be put in play, or to go on offense, or to go on defense.
	football.refs.org /mechanics/toss5.html (597 words)

	Coin Toss Game
		So the design of the board and the type of coin used are important to entice players to participate, yet have the game operator not give away too many prizes.
		After compiling the information requested the students (or groups) should estimate the probability of tossing a winner for each of the choices of a radius by computing the ratio of winners to the number of tosses.
		The images of the circles representing the coin tosses are retained with winners appearing in red.
	mathdemos.gcsu.edu /mathdemos/cointoss/cointoss.html (1354 words)

	Probability - Forex Blog, Forex Trading, Currency Trading, Learn Forex
		When we toss a coin, the probability that it will land heads up on any given coin toss is 0.5 or 50%, and the same of landing tails.
		So if we toss the coin 10 times, we would expect that the result will be 5 heads and 5 tails.
		In other words, the outcome of the next toss is unaffected by previous coin tosses, as the coin has no memory retention.
	www.gracecheng.com /forex_trading/131/Probability.html (923 words)

	CyberDarts - Dartoid - The Coin Toss
		My buddy Butch Kirk and I tossed one of those Kennedy fifty-cent pieces, that have since disappeared from the planet, to decide who'd have to steal one of their father's Playboys to take down to our fort in the woods.
		The coin toss loss which determined that I, not my college room mate, Bob Quigley, would be the first from French Hall to streak past the girls' dorm next door at Western Michigan University...
		I hope this advice on the finer side of the critical toss of the coin will give you the edge necessary to be more competitive and win more often, regardless of the level of your darts play.
	www.cyberdarts.com /dartoid/dartoid83.html (1241 words)

	Coin Toss Puzzle (Site not responding. Last check: )
		Given a "normal" coin, you would expect that the coin is just as likely to land heads as it is to land tails.
		That is, after flipping the coin many times, you would expect to get heads about 50% of the time.
		When tossed, this coin is more (or less) likely to land heads than tails.
	www.reed.edu /~mcphailb/puzzles/cointoss.html (191 words)

	Virtual Coin Toss
		There are various places on the web to view a virtual coin toss.
		Coin tosses are not necessarily available covering all times; hardware, software, and network problems, as well as maintenance windows, can prevent the data from being collected.
		Coin tosses do expire (ie, they go away) after some number of days.
	cgi.cs.duke.edu /~des/vct/vct.cgi (478 words)

	Coin Toss (Site not responding. Last check: )
		Toss is an important part of any event.
		Normally a fair coin is used for Toss.
		As the coin is fair we can consider that the probability of each outcome is also equal.
	acm.uva.es /p/v103/10328.html (250 words)

	News: Coin toss (Seattle Weekly)
		Meanwhile, Rhyne, 51, the rakish, one-legged former king of downtown precious metals and coin dealers who has completed a 33-month term at a federal prison camp for fraud, is obligated by the court to pay back his 334 victims just $500 a month.
		The coin dealership went into receivership, overseen by Seattle attorney Scott Henrie, who recalls finding Rhyne's offices in such disarray that wedding rings lacked ownership tags and gold coins were found beneath typewriters.
		Coin toss - Seattle lawyers pay out $3 million to settle claims that they abetted a downtown pyramid scam.
	www.seattleweekly.com /2001-01-31/news/coin-toss.php (1143 words)

	Computer Investigation 8.1 (Site not responding. Last check: )
		Use the Coin Toss Simulation program and at least 30 repetitive trials to determine the empirical probabilities for each of the following events: tossing a coin 4 times and obtaining exactly 2 heads; tossing a coin 6 times and obtaining exactly 3 heads; tossing a coin 8 times and obtaining exactly 4 heads; etc.
		Determine the empirical probabilities for the following events: obtaining at least 1 head in 2 tosses of a coin; at least 2 heads in a toss of 4 coins; and at least 3 heads in a toss of 6 coins.
		Experiment with different numbers of tosses to determine the number so that the probability of tossing at least 3 consecutive heads is 50%.
	www.mhhe.com /math/ltbmath/bennett_nelson/conceptual/investigations/Investigation8_1.htm (373 words)

	2 recounts, coin toss, no winner in Ohio - Boston.com
		A court erred when declaring a winner in a city council election that was so close that a coin toss and two recounts did not resolve who won, the Ohio Supreme Court ruled Wednesday.
		A tie-breaking coin toss handed the seat to Taft, but a formal recount that followed found Bain ahead by one vote -- 1,124 to 1,123.
		Bain argues that the ballot with the hanging chad should not count because it is attached by three corners.
	www.boston.com /news/nation/articles/2006/08/16/2_recounts_coin_toss_no_winner_in_ohio (341 words)

	Coin Manipulation
		The coin should be parallel to the fingers.
		Toss the coin lightly up and away so that it rotates 180º.
		Balance the coin on the middle finger with the close edge against the side of the ring finger.
	www.coinmanipulation.com /Coin/Tricks/IndexRingToss.html (235 words)

	The Coin Toss (Site not responding. Last check: )
		Toss the coin into the air and and observe it carefully.
		Imagine you toss a coin vertically up in the air such that the coin rises to a maximum height of 2.5m and then returns to your hand.
		Assume the coin leaves your hand and is caught at exactly the same height.
	physicsed.buffalostate.edu /SeatExpts/mechanic/coin/index.htm (316 words)

	NPR : The Not So Random Coin Toss
		All Things Considered, February 24, 2004 · Flipping a coin may not be the fairest way to settle disputes.
		The randomness in a coin toss, it appears, is introduced by sloppy humans.
		Note: In football's inaugural kickoff coin* toss, the coin is not caught but allowed to bounce on the ground.
	www.npr.org /display_pages/features/feature_1697475.html (264 words)

	KTVA - Primary winner by coin toss
		Edgmon won the first ever coin toss in the history of the State of Alaska and the Democratic nomination for House Seat 37.
		The coin used in the toss was minted with two walrus heads on one side and the seal of the State of Alaska on the other.
		And the coin landed on a sea otter pelt--all to make sure this historic event held special significance for the Aleutian and Bristol Bay area.
	www.ktva.com /topstory/ci_4395910 (456 words)

	Coin Tossing: Interesting Thing of the Day
		However, it turns out that when it comes to humans tossing coins, it really is a matter of uncertainty and inaccuracy rather than true randomness.
		Keller showed mathematically that the only way to obtain a truly random coin toss is to make sure it spins around its exact geometrical axis, something no human could do with the necessary precision.
		If the coin is allowed to hit the ground, other variables come into play, and the likelihood of a different result increases.
	itotd.com /articles/560/coin-tossing (1438 words)

	Flip a Coin
		If you were born recently in the United States, you may never have seen one of these strange artifacts known as a "coin".
		Coins were a popular form of currency before the advent of credit cards, and are preserved here in digital form, should they disappear from the real world in the next 20 or so years (here at Facade, we consider the LONG term).
		Whereas a floaty pen may give you a succint answer to a yes or no question, a coin toss is a great way to decide between two options - only a handful of countries are supported thus far, but we add more as visitors send us their coins...
	www.facade.com /coin_flip (149 words)

	[No title]
		The general format for a function is function toss() { } The opening and closing parenthesis after toss indicate that this function does not take any parameters.
		The thing that you will do later is name an image tag coin, that is, set the name attribute of an img tag to the value "coin".
		In this coin object, set the src attribute to the string "head.gif".
	rachel.ns.purchase.edu /~Jeanine/cointoss.doc (845 words)

	deseretnews.com \| Impossible to get a 'fair' coin toss
		Because you'd have to flip coins about 10,000 times — and record the data VERY carefully — to achieve statistical significance and become relatively certain of the finding.
		Here he is careful to make the coin appear to turn over many times, but it really doesn't.
		The fact is, says Diaconis, that even when the coin is flipped with the intent of unloosing a "fair" toss, this is not humanly possible.
	deseretnews.com /dn/view/0,1249,595098035,00.html (733 words)

	coin tossing
		If a coin comes up Heads 90 times out of the first 100 tosses, look for Tails to make a comeback over the next 100.
		It just means that, of all the possible ways to toss a coin five times, 10 of them will give 3 Heads.
		It has nothing to do with whether or not the coins have a memory, it has to do with probability distributions.
	www.gummy-stuff.org /coin-tossing.htm (680 words)

	Heads I Win
		the results of this coin toss to the graph.
		the results of these two coin tosses to the graph.
		the results of the coin tosses to the graph.
	www.beaconlearningcenter.com /WebLessons/HeadsIWin/default.htm (399 words)

	I ching Advice, interpreting iching coin toss
		This involves using any three coins of the same size and tossing them six times.
		Holding the three coins in your hand, shake them up and drop all three onto a flat, hard surface.
		At the menu click on the result each time, indicating whether your toss resulted in 2 heads and one tail, or 2 tails and one head, or 3 heads, or 3 tails.
	www.ichingadvice.com /interpret_i_ching.html (227 words)

	A Coin Toss
		Whereupon I pull out a coin and say, "Heads I take, tails, I drop." The crowd goes crazy, and Jake is of course a visibly perturbed...
		It came up tails, I dropped, the match went to 5-5; Jake doubled early in the next game and was crushing me, and of course, my last 3 rolls were doubles, as they had to be, in order for me to win the match.
		Well, you can be sure I will bring that lucky coin with me and use it.
	www.bkgm.com /articles/Simborg/ACoinToss (364 words)

	Coin toss gives Payne ride on cup hope - Horse Racing - Sport - theage.com.au
		A GOOD splash of determination and a flip of a coin could have opened the door for Victoria's leading female rider Michelle Payne to claim her first Melbourne Cup ride.
		And while she said yesterday that she needed her luck to hold the spring mount on Count Ricardo, she was determined to make the most of the rare opportunity.
		As Count Ricardo's trainer Stephen Theodore was explaining Payne's booking at yesterday's pre-race news conference, with his four main track jockeys tossing a coin this week for the right to partner the best horse in the stable today, Payne saw a narrow opening and took it.
	www.theage.com.au /news/horse-racing/coin-toss-gives-payne-ride-on-cup-hope/2005/09/30/1127804663042.html?from=moreStories (623 words)

	How to Play Corn Toss, Cornhole, Bean Bag and Bean Toss (Site not responding. Last check: )
		Thus, if a team that pitches first reaches or exceeds 21 points, the game can not end until the other side is allowed to pitch all of their corn bags and the inning is completed.
		If the Cornhole / Corn Toss match is tied at 21 or more at the end of an inning, play continues until one team or the other achieves a higher score at the end of an inning and wins the match.
		The winner of the coin toss chooses to pitch their corn bags first or second.
	www.playcornhole.org /how.shtml (1628 words)

	Finding the standard deviation from a coin toss.
		Sally is at her house, and is going to toss a coin repeatedly.
		After each toss of the coin, she will tell you (truthfully) whether the coin came up heads or t...
		Probability - A coin is tossed until four heads occur.
	www.brainmass.com /homework-help/math/other/2416 (232 words)

	Idaho Mountain Express: Coin toss decides school election
		In a way, the Thursday toss was a reprieve for Stivers, who lost an earlier coin flip just after the election.
		Zaccardi declared that toss illegal later that evening after she reread the election rules, which mandate that the board of trustees conduct the toss.
		Sullivan, a 12-year school board member and current chairperson, said during a telephone call before the coin toss that she would be disappointed to lose the election.
	www.mtexpress.com /2000/05-31-00/5-31toss.htm (446 words)

	GOLFONLINE - Coin Toss
		When he marks his ball on the green, Bill has a habit of tossing his coin onto the ground near the ball and then precisely marking the position of the ball.
		On this occasion, the coin strikes the ball, causing the ball to move.
		But a player who is clumsy rather than reckless, accidentally dropping a coin onto the ball before he marks its position, is also penalized, regardless of the height from which the coin was dropped.
	www.golfonline.com /golfonline/rules/wtr/theball/article/0,17742,469637,00.html (353 words)

	Coin Toss and Probability
		The teacher reviews probability definition and shows a quarter to the class, pointing out that there is a 50% chance of getting heads when flipping a coin.
		Possible strategies: A student may choose to take the 20$ each time, A student may choose to bet each time in an attempt to get the 100$, A student may alternate taking the risk or taking 20$.
		Each person in the group will take turns flipping the coin and recording their results.
	www.edb.utexas.edu /faculty/wstroup/Gen_Act_Web/I19/zga19.html (577 words)

	File Details-Coin-Toss-PSP-Homebrew-Games - (Site not responding. Last check: )
		Called "Coin Toss" by The_undead, its developer, you can use it to replace the standard currency you'd normally flip into the air for questions an either/or type of answer.
		One thing noted on the forums is that you can invalidate the findings to a certain extent because holding onto the trigger that activates the toss keeps the coin spinning indefinitely.
		There's also no option for the coin to stand on its end, and there isn't a quirk in the system that'll force Sadako to replace the coin and scare the daylights out of unsuspecting folks when they least expect it.
	dl.qj.net /Coin-Toss-PSP-Homebrew-Games/pg/12/fid/11471/catid/195 (343 words)

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