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Exam
Numerical Ability
Probability
The probablity that out of 10 person, all born in june, at least two have the same birthday is?
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- 2 persons selected in 10c2 =45 ways
sample space for 2 person =30*30
so p=45/900=0.05 - 10 years agoHelpfull: Yes(0) No(1)
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