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The birthday paradox refers to the counterintuitive fact that only 23 people are needed for that probability to exceed 50%. The birthday paradox is a veridical paradox: it seems wrong at first glance but is, in fact, true. While it may seem surprising that only 23 individuals are required to reach a 50% probability of a shared birthday, this ...
Wikipedia uses several templates that self-update every day to keep date and age information current. These are very useful for a dynamic online encyclopedia and save users from having to regularly update that kind of information.
Note: The template may not calculate the age correctly if a full date (month, day, year) is not provided. For example, a person who was born in 1941 could be either 82 or 83, depending on whether they have reached their birthday in the current year: {{Birth-date and age|1941}} → 1941 () (age 83)
A naive application of the even-odd rule gives (,) = = () ()where P(m,n) is the probability of m people having all of n possible birthdays. At least for P(4,7) this formula gives the same answer as above, 525/1024 = 8400/16384, so I'm fairly confident it's right.
Check Out: 8 Rare Coins Worth ... including rarity. While perfect quarters can fetch a tidy sum at auction, coins with errors can also be valuable because few usually exist. ... Taylor Swift ...
Camilla's 50th Birthday Party Was Essentially a Soft Launch. As The Crown makes clear, the party (held in mid-July 1997) was essentially a test run to see if the British public would accept ...
On sites like eBay and LoveAntiques, collectible VHS tapes are valued at upwards of nearly $10,000 - depending on the rarity and condition of the tape, of course.
The birthday-number effect is the subconscious tendency of people to prefer the numbers in the date of their birthday over other numbers. First reported in 1997 by Japanese psychologists Shinobu Kitayama and Mayumi Karasawa, the birthday-number effect has been replicated in various countries. It holds across age and gender.