Homework: HW 4.5 Score: 0 of 1 pt 4.5.25 Save 12 of 14 (5 complete) Hw Score: 21
ID: 3210147 • Letter: H
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Homework: HW 4.5 Score: 0 of 1 pt 4.5.25 Save 12 of 14 (5 complete) Hw Score: 21.43%, 3 of 14 pts Question Help * Identical twins come from a single egg that split into two embryos, and fratenal 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. Sexes of Twins boyigirl boy boy girl/boy girligirl Identical Twins Fraternal Twins a. After having a sonogram, a pregnant woman learns that she will have twins. What is the probability that she will have identical twins? The probability is Type an integer or a simplified fraction)Explanation / Answer
Total twins = 3+3+8+8+8+8
=38
identical twins=3+3
=6
probability of having identical twins =6/38
=3/19
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