Question

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It is given that in a group of 3 students, the probability of 2 students not having the same birthday is 0.992. What is the probability that the 2 students have the same birthday?


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Answer 1

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Answer 2

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It is given that in a group of 3 students, the probability of 2 students not having the same birthday is 0.992. What is the probability that the 2 students have the same birthday?

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Let B≡ Event that 2 students do not have same birthday

∴P(B)=0.992

So, probability of 2 students having same birthday P(B)=1−P(B)

=1−0.992

=0.008

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