What is the probability that two people chosen at random were born on the same day of the week?

P=1/7
1/7 x 1/7
7 x 1/7 x 1/7 = 1/7
The probability of 2 people chosen at random to be born on the same day of the week is 1/7.

So there are 7 possiable outcomes being th seven days of the week.
And there is one possibility.
So P(2 people being born on the same day of the week)=1/7
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