Question

The number of multiple births in the United States for a recent year indicated that there were 128,665 sets of twins, 7110 sets of triplets, 468 sets of quadruplets, and 85 sets of quintuplets. Choose one set of siblings at random. Find the probability that it
a. Represented more than two babies 0.056
b. Represented quads or quints 0.004
c. Now choose one baby from these multiple births.
What is the probability that the baby was a triplet?


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  • CreatedSeptember 04, 2015
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