7. It is given that in a group of 3 students, the probability of 2 students not have
same birthday is 0.992. What is the probability that the 2 students have the
birthday?
a red balls and 5 black balls. A ball is drawn at random
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0
Answer:
the probability that the two students have the birthday on same is 0.008.
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5
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
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