This Question: 1 pt 4 of 10 (2 complete) This Test: 10 pls possit Identical twin

Question

This Question: 1 pt 4 of 10 (2 complete) This Test: 10 pls possit Identical twins come from a single egg that split into two embryos, and fraternal twins are from separate fertilized eggs.Also, identical twins must be of the same sex and the sexes are equally likely, and sexes of fratermal twins are equally likely. If a pregnant woman is told that she will give birth to fraternal twins, what is the probabiliy that she will have one child of each sex? Use the data table below to find the probability Sexes of Twins boy/boyboy/girl girl/boy girligir Identical Twins he Fraternal Twins ate fer lyA The probability is (Type an integer or a simplified fraction.) ro to S ially likel per secti et Enter your answer in the answer box Identical e here to

Explanation / Answer

Solution:-
A - fraternal twin, B - onechild of each sex

P(B|A) = P(A and B)/P(A) = (4/28)/(18/28) = 0.2222

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