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Depending on the year, the number of Friday the 13ths range from 1 to 3. The number of days in a year can be 365 or 366 if it is a leap year. Take the number of Friday the 13ths and divide by the number of days in the year. For example, the probability for 2009 is 3/365 to be born on Friday the 13th.
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What are the odds of turning 13 on Friday the 13th?
The answer is approximately one in 213, and here is why; 1. There are 12 chances, in that year, of your birthday being on the 13th of a month, in 365.25 days (remember leap years). 2. There is a 1 in 7 chance of it being on a Friday, therefor: If you divide 12 by 365.25 (365 and a quarter), and then by 7, you get 0.004693, or about 1 in 213.
What are the odds of first cousins being born on same day?
There are no odds. It just happens.
What are the odds of being born on Christmas day?
1 in 365.242199
What are the odds of being born on new year's day?
1 in 365
What are the odds of being born?
The odds of being born are astronomicaly low the average man shoots around 20 million sperm. 1 in 20million, but no. Think of it in lower depths the odds of your parents meeting and doing the naughty. Your grandparents being born your great great great great x20 grandparents being born/ meeting eachother. The earth being created. Everything we know. It could be 1 in 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 for all we know.
