SOLUTION: What is the probability that at least one out of 40 students in a class will have a birthday in march?

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Question 520516: What is the probability that at least one out of 40 students in a class will have a birthday in march?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the probability that at least one out of 40 students in a class will have a birthday in march?
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Binomial Problem with n = 40 and p = 1/12
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P(1<= x <=40) = 1 - P(x = 0)
= 1- (11/12)^40
= 1 - 0.0308
= 0.9692
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Cheers,
Stan H.
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