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The simple answer is that it is 1/7. The true answer is somewhat different because births are not uniformly spread across the days of the week. In some countries medical staff prefer to spend their weekends off and so there are fewer births at weekends. Then, there are other minor adjustments for the number of leap years between birth and the thirteenth birthday.
What else can I help you with?
What is the probability that the arrow will land on either Saturday or Sunday both times?
The answer depends on where the arrow is being thrown!
When tossing 5 coins simultaneously what is the probability one will land heads up?
The probability that exactly one will land heads up is 0.15625
What is the probability of a six sided die to land 1 or 4?
If it a fair die, the probability is 1/3.
What is theoretical probability that coin a will land on tails?
0.5
What is theoretical probability that the coin will land on tails?
It is 0.5
What is the probability that the arrow will land on either Saturday or Sunday both times?
The answer depends on where the arrow is being thrown!
How often does your birthday fall on the same day of the week as when you were born?
The way to look at this probability is that it is equally likely for your birthday to fall on any given day of the week. There is a 1/7 chance it will land on Saturday. There is a 1/7 chance it will land on Sunday, and so on for all the other days. Taking this into account, it is clear that there is a 1/7 chance of your birthday falling on whatever day you were born.
For a month to have its thirteenth day land on a Friday what day of the week must it start with?
In order for a month to have it's thirteenth (13th) day land on a Friday the month most start on a SUNDAY.
How often does your birthday fall on a Saturday?
Your birthday falls on a Saturday approximately once every 7 years on average, but this can vary due to leap years. In a 28-year cycle, your birthday will typically land on each day of the week four times, with some variations in specific years. To determine the exact frequency for your birthday, you can check a perpetual calendar or use date calculation tools.
What is the probability if you land head twice and tails once?
The probability is 3/8.
When tossing 5 coins simultaneously what is the probability one will land heads up?
The probability that exactly one will land heads up is 0.15625
What is the probability of a six sided die to land 1 or 4?
If it a fair die, the probability is 1/3.
Will January 26 2013 fall on a Saturday?
Yes, January 26,2013 will land on a Saturday.
What is the probability that a coin will land on heads?
50-5-
What is the probability for a dice to land on 1?
1 out of 6
What is theoretical probability that coin a will land on tails?
0.5
What is theoretical probability that the coin will land on tails?
It is 0.5
