31 days ago by davidmcraney

The Misperception: If everyone has a say so in a decision making process, everyone will get what they want and be satisfied. The Truth: In large groups of people, the odds any two people will share the same opinions or preferences are good, but the odds of consensus are astronomical. This idea is ea ...

You Are Not So Smart - youarenotsosmart.wordpress.com

34 days ago by Tracy

Pumpkin Birthday Cake Studies by the National Center for Health and Statistics, and Anybirthday.com both conclude the most common birthday in North America is on October 5th. The reason? Hint: New Year’s Eve. In honor of the estimated 968,000 Americans blowing out their candles in early October, the ...

Math Learning, Fun & ... - dreambox.com/blog · Rank: 160,115 · 7 references

45 days ago by tkramesh

In a group of 23 people, the probability that two or more people will share their birthdays is greater than 50%. For a group of 57 people, this probability increases to 99%. This may seem counter-intuitive at first sight. There are 365 possible days on which a birthday can occur. So it may seem odd ...

My Blog - tkramesh.wordpress.com · Rank: 179,651

68 days ago by dancull

In this blog I have mentioned that I am a supporter of the idea of a ‘history of science’ for conservation, by which I mean conservation as a whole and not just the ‘conservation science’ subfield. In part this probably stems from the years I spent working a job in a University Library, particularly ...

Dan Cull Weblog - dancull.wordpress.com · Rank: 33,055 · 24 references

145 days ago by Troythulu

Most people have a very poor intuitive grasp of mathematical probability, and this can more often than not lead us to formulate erroneous conclusions regarding how likely some things are to happen. A good example of this is the so-called Birthday Paradox: What do you think is the likelihood of any t ...

The Call of Troythulu - kestalusrealm.wordpress.com · Rank: 90,137 · 7 references

183 days ago by doron

In probability theory, the birthday problem, or birthday paradox [1 ] pertains to the probability that in a set of randomly chosen people some pair of them will have the same birthday. In a group of at least 23 randomly chosen people, there is more than 50% probability that some pair of them will bo ...

Zoidbot - zoidbot.com

204 days ago by swordfish1987

This is one theory that really interested me. Can you guess what is the probability that any two people in a football court ,out of a total of 23 including the referee,share the same birthday. It is more than 50 %. Atleast we have mathematical proof for that. The actual statement is “In a group of a ...

Bytes won't bite ... - swordfish1987.wordpress.com · 2 references

242 days ago by admin

The Birthday Paradox was mentioned in the Shirky book to illustrate how the links of a network can grow exponentially larger than the number of users. Lang diagrammed it by the number of lines it took to connect 5 dots and how many more lines there were when we tried 8 dots. Anyways, the birthday pa ...

Just Another Blog...Or Is It? - racheleng.mis373.com

245 days ago by Dr. Luke O'Connor

A new caching bug in the djbdns implementation of the DNS protocol was recently announced by Kevin Day, who is a researcher according to The Register. The full details of the bugs and proof-of-concept can be found in this 10-page PDF. What Day claims is that djbdns is more vulnerable (that is, requi ...

No Tricks - lukenotricks.blogspot.com · Rank: 112,429 · 9 references