Question

In a grup of 3 students, the probability of 2 students not having the same b'day is 0.992. What is the probability that the students have the same birthday?

Answer 1

the probability of students having the same birthday is                                                                                                                                                                    = 1-0.992                                                                                                           
=0.008

Answer 2

let E be the event of having the same birthday

P(E) =0.992

But P(E) +P = 1

P= 1-P(E)

= 1-P(E)

=1-0.992

=0.008

hope it is helpful for you✔✔

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