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# Xkcd probability 50 50

### 1252: Increased Risk - explain xkc

1. As far as the 50% and 16.67% figures given by the original poster, I believe those were calculated for events that have a 50% probability for each event. The increase in probability from 1 to 2 events where 1/x is the probability looks like (1-(1-1/x)^2)/(1/x)-1, which is (1-(1-2/x+1/x^2))*x-1 or (2/x-1/x^2)*x-1 or (2-1/x)-1 or 1-1/x. Thus for an event like a fair coin toss, the increase in.
2. Moreover, the distribution of Y is not symmetric: while 50% of Y values fall inside interval R, 41% fall below R and only 9% fall above R. So the single piece of information in the comic is not a good way to describe this distribution! We do use such intervals for the normal distribution because the normal distribution is symmetric, and the center of symmetry is the mean, median, and mode.
3. So it is not 50-50, it is 66-34. It may not be critical or may be obvious but in the comic, it seems to be understood that Event A or Event B may happen but not both, which of course affects how probability works
4. It crawls along at about 20 centimeters per second, so it would take the liquid helium less than 30 seconds to start collecting in the bottom of your boat. This would, as in the liquid nitrogen scenario, cause rapid death from hypothermia. If it's any consolation, as you lay dying, you would be able to observe an odd phenomenon
6. I waive all copyright to this chart and place it in the public domain, so you are free to reuse it anywhere with no permission necessary

This is essentially walking the key space. Statistically speaking, the probability of recovering a password this way only requires walking 50% of a key space before it is likely to be found. So if our character set is just using digits (from 0-9), it would take longer to walk a 6 digit combination than a 3 digit combination. (As character. How fast could you visit all 50 states? —as discussed by Stephen Von Worley on Data Pointed. This week's article is a little different. Instead of answering one of your questions, I'm going to look at someone else's answer to a question, and how thinking about that answer raised some new questions of my own. Eventually, the whole thing sucked me down a rabbit hole of calculations from which.

Most states leave the details up to the Secretary of State or an electoral board, although Iowa Code 50.44 specifies that the names be written on pieces of paper and placed in a receptacle. In North Carolina, however, a tie vote (when more than 5,000 votes are cast) results in a new election. (Which could potentiall The probability of getting all 158 questions is: $\frac{1}{5^{44}} * \frac{1}{5^{67}} * \frac{1}{5^{47}} \approx \frac{1}{2.7 * 10^{110}}$ (That's one in twenty-seven quinquatrigintillion.) If all four million 17-year-olds all took the SAT, and they all guessed randomly, it's a statistical certainty that there would be no perfect scores on any of the three sections. How certain is it? Well. I just sort of assumed he bet 50 dollars because if the sun had exploded, they'd be dead and therefore wouldn't need the machine. 108.162.237.16 07:05, 21 August 2020 (UTC) Something should be added about the prior probability of the sun going nova, as that is the primary substantive point. The neutrino detector is evidence that the Sun has. Comics I enjoy: Three Word Phrase , SMBC , Dinosaur Comics , Oglaf (nsfw), A Softer World , Buttersafe , Perry Bible Fellowship , Questionable Content , Buttercup Festival , Homestuck , Junior Scientist Power Hour. Other things: Tips on technology and government, Climate FAQ , Katharine Hayhoe. xkcd.com is best viewed with Netscape Navigator 4.

There is a 50% chance of someone dying within 1.1 years (by 2013). There is a 95% chance of someone dying within 4.08 years (by 2016). There is a 5% chance of everyone dying within 10.78 years (by 2023). There is a 50% chance of everyone dying within 16.12 years (by 2028). There is a 95% chance of everyone dying within 22.57 years (by 2035). Probability of all dying in 1.0 year: <0.001%. How Random is xkcd? A blatant abuse of statistics. Friday, March 20, 2015 · 6 min read. Apparently Randall Munroe gets a lot of messages saying that the random button on xkcd is biased. 2015-03-19 16:47:00 Hobz also, Randall, the random button on the xkcd frontpage is frustratingly un-random. 2015-03-19 18:50:52 ~Randall it's random. 2015-03-19 18:50:59 ~Randall people contact me. Equivalently, the probability of either Case 1 or Case 3 happening is 50%, and the probability of either case 2 or Case 4 happening is 50%. Our goal is to make the probability of either Case 1 or Case 2 (the cases in which we guess correctly) happening greater than 50%. If we follow the method laid out in the solution, Case 1 is more likely than Case 4. This is because the larger the number we. Since p(A) is always smaller than p(B), N is always greater than 50%. If Alice picked 1.0 and pi, your chances of guessing correctly are 61.37%. If Alice picked 10 and 11, your chances of guessing correctly are 50.00053%. No matter what two numbers Alice picked, the chance of guessing right is always better than 50%. Sometimes it's only. If your pole happens to go through it, it could add another 50-100 m/s to the wind speed. Regardless of where you come down, you'll need to contend with supersonic winds, so you should wear lots of protective gear.  For aerodynamic reasons, this gear should probably make it look like you're wearing a very fast airplane. Make sure you're tightly attached to the pole, since the wind and.

### 2118: Normal Distribution - explain xkc

It's easy to get started with chart.xkcd. All that's required is the script included in your page along with a single <svg> node to render the chart. In the following example we create a line chart. See the Pen chart.xkcd example by timqian on CodePen. JS part of the example. const svg = document. querySelector ('.line-chart') new chartXkcd How would you make a 50/50 chance of something equal either a 3.5 or a 4? Then it goes to the next stop with another 50/50 shot. So I know a loop is involved but how to start it? Thanks! Then it goes to the next stop with another 50/50 shot My solutions to the problems in Fifty Challenging Problems in Probability by Frederick Mosteller - sinclam2/fifty-challenging-problems-in-probability. Skip to content . Sign up Why GitHub? Features → Mobile → Actions → Codespaces → Packages → Security → Code review → Project management → Integrations → GitHub Sponsors → Customer stories → Team; Enterprise; Explore Explor Calculation for Probability of 50-Year Flood Over 50-Year Period 1 - (1 - p) n n = 50 p = 0.02 . We know that n = 50 since we are looking at a 50-year period of time and using the probability of occurrence table we see that p=0.02 for a 50-year return period. 1 - (1 - 0.02) 50 = 1 - (0.98) 50. So, applying these values in the equation, the (1-p) value is (1-0.02), or 0.98. The xkcd proposal is not to select 4 words at random from a 200,000-word dictionary. Rather, it is to select 4 words at random from a smaller dictionary of the 2000 most common words. If you follow what xkcd actually recommended, you'll find that the resulting passphrases are easier to memorize. - D.W. Aug 11 '11 at 2:5   ### 2370: Prediction - explain xkc

• g up. But what's the likelihood of tossing heads eight times in a row? Find out in this clip, as a group of people toss coins while another group predict what comes up. Is it possible to identify the random.
• Photo: zsunberg via Pixabay, CC0. One of the most common probability questions involving coins is this: Let's assume that you flip a coin five times and the coin lands on heads all five times. What is the probability that the coin will land on heads again? The answer to this is always going to be 50/50, or ½, or 50%
• About 50 million outpatient surgery procedures are performed each year. If they're primarily performed by one surgeon and each last an average of half an hour, then about 13 surgeons per year will unexpectedly die mid-surgery (as will 13 extra patients). This is a scary thought. But to put it in perspective, that's about the number of surgeons who will operate on the wrong body part or.
• General solutions get you a 50% tip. |< <? > >| Archive; Store; What If? Abou
• Now you start again. The reasoning here being that it is highly unlikely for you to lose a 50/50 toss x number of times in a row. My counter-argument here is that basically if you go in with 50 dollars with the aim of doubling up to 100 dollars, you have the same odds of winning if you do one bet of 50 dollars or the technique outlined above. I.
• 2014-10-10 at 4:50 am. yarı mnauel istif makinası caraskallar. Like Like. istif makinas ı says: 2014-10-10 at 4:52 am. istif makinesi. Like Like. yarı akülü istif makinası says: 2014-10-10 at 4:52 am. yarı akülü istif makinası. Like Like. zincirli caraskal says: 2014-10-10 at 4:53 am. elektrikli caraskal. Like Like. Matt says: 2014-10-18 at 6:48 pm. The other thing wrong with the.

The probability of reaching 50% of max profit (P50) can also give you great insights into a trade, especially if you are planning on taking profits at 50%. However, if you put on a trade because it has a high p50 number, you should not try to go for max profit. P50 is especially useful for option premium sellers. Generally, it is a very good idea to take profit at 50% of max profit on most. What is the probability of observing more than 50 heads? Entering 0.5 or 1/2 in the calculator and 100 for the number of trials and 50 for Number of events we get that the chance of seeing exactly 50 heads is just under 8% while the probability of observing more than 50 is a whopping 46%. While in an infinite number of coin flips a fair coin will tend to come up heads exactly 50% of the time. Berechnung von Wahrscheinlichkeiten. Die Wahrscheinlichkeit ist ein Maß dafür, wie wahrscheinlich es ist, dass ein Ereignis eintrifft, gemessen an der Anzahl möglicher Ergebnisse. Wahrscheinlichkeiten zu berechnen erlaubt es dir, trotz.. Probability of drawing a blue and then black marble using the probabilities calculated above: P(A ∩ B) = P(A) × P(B|A) = (3/10) × (7/9) = 0.2333. Union of A and B. In probability, the union of events, P(A U B), essentially involves the condition where any or all of the events being considered occur, shown in the Venn diagram below. Note that P(A U B) can also be written as P(A OR B). In. Minor nitpick, but you'd have to check for Math.random() >= 0.5 or Math.random() < 0.5 for it to truly be a 50/50 chance (because the result ranges from 0 to 1, but doesn't actually include 1). - Andii Nov 2 '16 at 7:3 The probability that it will rain on any particular day is 50%. Find the probability that it rains only on first 4 days of the week. 1. asked Dec 20, 2020 in Probability by Kamalsingh (15 points) 0 votes. 1 answer. Mohini went to the moves nine days ago. She goes to the moves only on Thursday. What day of the week is today? asked Jun 26, 2018 in Reasoning by Nisa (59.7k points) the calendar. The probability of being flooded in these areas depends on where you live, but for many people living on a floodplain the chance of a major flood occurring is about 1-in-50. This means that over the next 50 years a major flood will almost definitely occur somewhere in the Canterbury region. Probability of flooding Implied probability is the probability of the outcome if you assume the odds are correctly priced. For example, with a fraction odd of 5/2, one can assume that the probability of that outcome is 28.57%. It's up to you to decide if the bookie's assigned probability is good or bad for you to bet. If you believe for example that the outcome has a probability of 50% and you find an odd of 5/2, you. P (A Ո ) = P (B) −P (A ∩ B) = 30/50 - 18/50 = 6/25 (iii) Probability of the students opted for exactly one of them (Note that (A Ո ), (Ո B) are mutually exclusive events) Example 8.33 . A and B are two candidates seeking admission to IIT. The probability that A getting selected is 0.5 and the probability that both A and B getting. Probability: 50-50 chance events This resource is a primary (&/or) secondary educational video from ABC Splash. How many people do you need to have a 50-50 chance of sharing a birthday? Find out the maths logic behind this probability conundrum. In a coin toss we expect a 50-50 chance of heads coming up. But what's the likelihood of tossing heads eight times in a row? Find out in this clip, as.

### Extreme Boating - xkc

• If you were to continue flipping it a few hundred times, the probabilities would move closer and closer to 50/50 as you continue flipping. For a more detailed explanation, check out this a rticle. At the end of the day, probabilities are probabilities. If we risk our entire account on one trade that has a P.O.P. of 80%, we may win; however, the.
• g the probabilities of all the weights 50 kg or greater: P(X ≥ 50.
• iscent of Malcolm Cowley's 1930 prediction for the future of love.

2. You can adjust the probability along the way so that the probability of getting a one decreases as you get more ones. This way you don't always have a 50% chance of getting a one, but you can get the result you expected (exactly 50 ones): int onesLeft = 50; for (int i=0;i<100;i++) { int totalLeft = 100 - i; // we need a probability of. For example, even the 50/50 coin toss really isn't 50/50 — it's closer to 51/49, biased toward whatever side was up when the coin was thrown into the air. But more incredibly, as reported by. Mathematical probability is expressed in fractions (½) and percentages (50%). Once you know the probability, you can determine the likelihood of an event, which falls along this range: certain (probability of 1, the highest possible likelihood) likely (probability between ½ and 1) even chance (probability of ½) unlikely (probability between 0 and ½) impossible (probability of 0, the lowest.

Consider a 50% probability of success: 'Failing' one-out-of-two times when failure implies running out of money in retirement simply does not sound acceptable. Such a result can make clients feel that they are unprepared for retirement and that they must save even more or retire even later so that they can achieve a higher probability of success. It is important, however, to think. A comprehensive database of more than 50 probability quizzes online, test your knowledge with probability quiz questions. Our online probability trivia quizzes can be adapted to suit your requirements for taking some of the top probability quizzes Eureka, it works! If you hedge your option position on a .50 delta your p/l in both cases is zero. But if you recall, the probability of the $5 call finishing in the money was just 10%. It's worth restating. In this binary example, the 400% OTM call has a 50% delta despite only having a 10% chance of finishing in the money ### xkcd: Increased Ris A quick look at the general market in relationship to the day to day short-term RSI 50 level. This is mainly from an educational point of view.I take a quick.. Q: A random variable X is normal with mean 1020 and a standard deviation 50. Calculate P(X>1200) Using Excel p =1-norm.dist(1200, 1020, 50, true) p= 0.000159. Q: Consider the number of people that show up at a bus station is Poisson with mean 2.5/h. What is the probability that at most three people show up in a four hour period? x = 3 mean. Probability has to do with how likely something is to happen. If there's a 50/50 chance, then the probability is 50% We look at some of the basic operations associated with probability distributions. There are a large number of probability distributions available, but we only look at a few. If you would like to know what distributions are available you can do a search using the command help.search(distribution). Here we give details about the commands associated with the normal distribution and briefly. For the EuroJackpot 5/50 game, you should focus on number patterns with high probability, especially patterns #1 and #2. You get the details of how these patterns are obtained in the free guide section, plus you get to use a lottery calculator that will save you from the manual calculation ### xkcd: Astrophotograph That probability climbs significantly when we look at the odds of being struck by lightning in your lifetime—1 in 15,300—averaging that lifetime to be 80 years. Stunningly, the odds of you being affected by someone you know being struck by lighting, based on 10 people affected for every person struck, are 1 in 1,530. 2 / 50 If the horse runs 100 races and wins 50, the probability of winning is 50/100 = 0.50 or 50%, and the odds of winning are 50/50 = 1 (even odds). If the horse runs 100 races and wins 80, the probability of winning is 80/100 = 0.80 or 80%, and the odds of winning are 80/20 = 4 to 1. NOTE that when the probability is low, the odds and the probability are very similar. With the case-control design. ### Your xkcd passwords are pwned - unix-ninj All combinations in EuroMillions 5/50 have the same probability. It means that 1-2-3-4-5 is equally likely. Play 2-4-6-8-10, and that is equally likely too. Perhaps your combination is 5-10-15-20-25, this combination has the same probability as any other in the universe of Euromillions' possible combinations. The truth, all combinations have equal chances. But think about this. Consider more. Click here������to get an answer to your question ️ A number is selected at random from first 50 natural numbers. Find the probability that it is a multiple of 3 and 4 The rain chance is reduced to 25% ( 50% × 50% = 25%) On hot summer days when isolated showers or storms are likely, I might be 100% confident that it will rain in 25% of the area. In that case. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. ### Visit Every State - xkc If we choose a probability (like 50% chance of a match) and solve for n: Voila! If you take$\sqrt{T}$items (17% more if you want to be picky) then you have about a 50-50 chance of getting a match. If you plug in other numbers you can solve for other probabilities: Remember that m is the desired chance of a match (it's easy to get confused, I did it myself). If you want a 90% chance of. In order to find the probability of many events all happening, it is necessary to multiply their probabilities together. Mathematically, this progression gives an exponential decay curve. CalcTool's unit menu allows you to enter the probability as a number, a ratio, or a percentage, as is convenient The IQR of about even is 0% (the box is a single line) — the middle 50% of all respondents perceive about even to be 50%. The IQR of we believe is among the largest (the box covers 20%) — the middle 50% of all respondents perceive we believe to be between 65% - 85%. The following table ranks every word by the width of the IQR: Probability Word Click here������to get an answer to your question ️ A natural number x is chosen at random from the first 100 natural numbers. The probability for the equation x + 100x>50 is 10 + k20 .Find k The ultimate compilation of Excel tips and tricks to enhance your productivity using Excel. Updated for 2020! I've combined long-established tips and trick.. ### xkcd: Frequentists vs Background Reverse-transcription PCR (RT-PCR) assays are used to test for infection with the SARS-CoV-2 virus. RT-PCR tests are highly specific and the probability of false positives is low, but false negatives are possible depending on swab type and time since symptom onset. Aim To determine how the probability of obtaining a false-negative test in infected patients is affected by time since. Fifty tickets, numbered consecutively from 1 to 50 are placed in a jar. Two tickets are drawn at random (without replacement).-What is the probability tha These 11 comics were posted both on LiveJournal and xkcd after the xkcd site opened on the 1st of January 2006. This comic was posted on the same day on both sites. They were not all posted on the same day though. During the start-up of xkcd, several of the comics were released on days that deviated from the normal Monday, Wednesday, Friday scheme ### Tie Vote - xkc$7.50 Move Fast and Break Things. $10.00 7 Button Pack. from$13.00 xkcd store gift card. $15.00 Online Communities (2007) Poster.$15.00 Height Poster. \$15.00. xkcd. 367,307 likes · 12,389 talking about this. A webcomic of romance, sarcasm, math, and language ### SAT Guessing - xkc

Overround of 50/50 odds. A 50/50 bet is one that has an equal chance of winning or losing. Totals and spreads are often 50/50 markets. If there was no overround the odds would be 2. Below is the overround for different 50/50 odds His mother complains that he never comes to see her, but he says she has a 50-50 chance. He has had dinner with her twice in the last 20 working days. Explain. Marvin's adventures in probability are one of the fifty intriguing puzzles that illustrate both elementary ad advanced aspects of probability, each problem designed to challenge the mathematically inclined. From The Flippant Juror and.

### 1132: Frequentists vs

The blood groups of 200 people is distributed as follows: 50 have type A blood, 65 have B blood type, 70 have O blood type and 15 have type AB blood. If a person from this group is selected at random, what is the probability that this person has O blood type? Solution We construct a table of frequencies for the the blood groups as follow It would be the probability that the coin flip experiment results in zero heads plus the probability that the experiment results in one head. P(X < 1) = P(X = 0) + P(X = 1) = 0.25 + 0.50 = 0.75. Like a probability distribution, a cumulative probability distribution can be represented by a table or an equation. In the table below, the cumulative. We have to find the probability that x is between 50 and 70 or P( 50< x < 70) For x = 50 , z = (50 - 50) / 15 = 0 For x = 70 , z = (70 - 50) / 15 = 1.33 (rounded to 2 decimal places) P( 50< x < 70) = P( 0< z < 1.33) = [area to the left of z = 1.33] - [area to the left of z = 0] = 0.9082 - 0.5 = 0.4082 The probability that John's computer has a length of time between 50 and 70 hours is equal to.  Welcome to Allan and Beth's site. Recent work. Books. Selected Articles. Rossman/Chance Applet Collection. Workshop Statistics series (Wiley) Using simulation-based inference for learning introductory statisitcs, WIREs Computational Statistic s, 6 (4), 2014. Impact of a randomization-based curriculum on studnet understanding of p-values and. Ultima Income Generator Classhttps://theotrade.com/skew When asked the question, what is the probability of a coin toss coming up heads, most people answer without hesitation that it is 50%, 1/2, or 0.5. We get this probability by assuming that the coin is fair, or heads and tails are equally likely. The probability for equally likely outcomes is: Number of outcomes in the event ÷ Total number of. In this example, we drew numbers from 0 to 9. Therefore, the probability of drawing 0 is equal to 10%. Now, let's get a random number and test if the chosen number is lower than the drawn one: boolean whoKnows = random.nextInt(1, 101) <= 50. Here, we drew numbers from 1 to 100. The chance for our random number to be lesser or equal to 50 is.

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