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The event that all 23 people have different birthdays is the same as the event that person 2 does not have the same birthday as person 1, and that person 3 does not have the same birthday as either person 1 or person 2, and so on, and finally that person 23 does not have the same birthday as any of persons 1 through 22. Let these events be ...
The birthday effect (sometimes called the birthday blues, especially when referring specifically to suicide) is a statistical phenomenon where an individual's likelihood of death appears to increase on or close to their birthday. The birthday effect has been seen in studies of general populations in England and Wales, [ 1] Switzerland, [ 2][ 3 ...
Traditional East Asian age reckoning covers a group of related methods for reckoning human ages practiced in the East Asian cultural sphere, where age is the number of calendar years in which a person has been alive; it starts at 1 at birth and increases at each New Year. Ages calculated this way are always 1 or 2 years greater than ages that ...
Another family in Alabama (mom, dad and baby) share the same Dec. 18th birthday. Huntsville Hospital for Women & Children in Huntsville, where the baby was born, called the occurrence "a chance ...
The probability that 365 people have distinct birthdays is 365!/365^365. (1/365! is the probability that you take 365 people with distinct birthdays and, picking them one at a time, correctly pick them in birthday order). Let's work with smaller numbers: assume a 3-sided coin (it's more interesting than a two-sided, but the numbers are small).
'We plan to make every birthday a real family event where birthdays get celebrated individually and together.' News & Star says the chances of having four birthdays on the same day is 133,225 to 1.
In a group of 23 people, there is a 50% chance that two individuals will share the same birthday. This is also known as the "birthday paradox." This is also known as the "birthday paradox."
A voicemail from a child wishing his mother a happy birthday. In certain parts of the world, an individual's birthday is celebrated by a party featuring a specially made cake. It may be decorated with lettering and the person's age, or studded with the same number of lit candles as the age of the individual.