SOLUTION: zccording to the national center fo health statistics, each time a baby is born, the probability that it is a boy is always 51.3 % and a girl is 48.7% regardless of the sex of any
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Question 24754: zccording to the national center fo health statistics, each time a baby is born, the probability that it is a boy is always 51.3 % and a girl is 48.7% regardless of the sex of any previous births in the family. suppose a couple has four children.. What is the probability they are girls?? what is the probability there are one girl and three boys?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
P(four girls)= 0.487^4=0.0562...
P(one girl and 3 boys)= 4C1(0.487)(0.513)^3
=4(0.487)(0.513)^3=0.26299......
Cheers,
Stan
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