SOLUTION: Suppose that three students are selected at random from your class. What is the probability that at least one of these three students has a birthday this month?

Algebra ->  Probability-and-statistics -> SOLUTION: Suppose that three students are selected at random from your class. What is the probability that at least one of these three students has a birthday this month?      Log On


   



Question 508283: Suppose that three students are selected at random from your class. What is the probability that at least one of these three students has a birthday this month?
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
Let's assume that this month has 31 days. Then the probability of having a birthday this month for one student is 31/365. Since there are 3 students, then the probability is (31*3)/365 = 93/365 <---- Answer

Please e-mail me at onlyyourmathtutor@yahoo.com if this answer was not clear enough.