Mathematics, 02.12.2021 17:30 angelaencinas90
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 fraternal twins
are equally likely. Use the data table to complete parts (a) and (b) below.
a. after having a sonogram, a pregnant woman learns that she will have twins. what is the probability that she will have identical twins?
b. after having the sonogram more closely, the physician tells the pregnant woman that she will give birth to twin boys. what is the probability that she will have identical twins? that is, find the probability of identical twins given that the twins consists of two boys.
Answers: 2
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