# Thread: When is My Birthday

1. ## When is My Birthday

It is my birthday sometime this year. It is also your birthday sometime this year.

Q1 What is the probability that my birthday this year falls on a Sunday?
Q2 What is the probability that your birthday this year falls on a Sunday?
Q3 What is the probability that hypothetical person A's birthday this year falls on a Sunday?

2. ## Re: When is My Birthday

<span style="background-color: #FFFF00; color: #000000; font-weight: bold"><font color=yellow>
Q1. There is not enough info. i would need your birthday to answer this. It is either 0 or 100%
Q2. 0% my birthday falls on a thursday this year so will not fall on a Sunday
Q3. 52/366 = 14.2%</font color=yellow></span hi>

Steve

3. ## Re: When is My Birthday

all correct!

what about Q3 if I said a Friday?

4. ## Re: When is My Birthday

According to my calendar <span style="background-color: #FFFF00; color: #000000; font-weight: bold"><font color=yellow>there are 53 Fridays this year. So the chances are 53/366 = 14.48% </font color=yellow></span hi>

StuartR