SOLUTION: you know that you were born on a Monday. But have no idea what day of the week either of your two friends was born on. What’s the probability you were born on the same day of the

Algebra ->  Probability-and-statistics -> SOLUTION: you know that you were born on a Monday. But have no idea what day of the week either of your two friends was born on. What’s the probability you were born on the same day of the      Log On


   

Question 1176468: you know that you were born on a Monday. But have no idea what day of the week either of your two friends was born on. What’s the probability you were born on the same day of the week as one or both of your friends?
Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


The probability that you were born on the same day of the week as one or both of your friends is 1 minus the probability that neither of them was born on a Monday.

P(one or both of your friends was born on a Monday) = 1-%28%286%2F7%29%286%2F7%29%29+=+1-36%2F49+=+13%2F49

ANSWER: 13/49