SOLUTION: The number of multiple births in a country in 2007 were 128665sets of twins ,7110sets of triplets, 468sets of quadrplets and 85 sets of quintuplets.choose one set at random a)fin

Algebra ->  Probability-and-statistics -> SOLUTION: The number of multiple births in a country in 2007 were 128665sets of twins ,7110sets of triplets, 468sets of quadrplets and 85 sets of quintuplets.choose one set at random a)fin      Log On


   



Question 1170637: The number of multiple births in a country in 2007 were 128665sets of twins ,7110sets of triplets, 468sets of quadrplets and 85 sets of quintuplets.choose one set at random
a)find probability that it represented more than two babies
b)find the probability that it represented quads and quints.

Answer by ikleyn(52925) About Me  (Show Source):
You can put this solution on YOUR website!
.

(a)  more than two means 3, or 4 or 5.


     So, add triplets, quadruplets and quintuplets and relate the sum to the total multiple births in a country in 2007.




(b)  similarly, add quads and quints and relate it to the total.

You are just directed and instructed.

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