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7.   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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Given,

Probability of two students not having the same birthday P (\overline E) = 0.992

\therefore Probability of two students having the same birthday = P (E) = 1 - P (\overline E)

= 1 - 0.992 = 0.008

Hence, the probability that the 2 students have the same birthday is 0.008

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HARSH KANKARIA

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