11. In a recent year, about 38% of all infants born in a country were conceived through in-vitro fertilization (IVF). Of the IVF deliveries, about twenty-eight percent resulted in multiple births.

(a) Find the probability that a randomly selected infant was conceived through IVF and was part of a multiple birth.

(b) Find the probability that a randomly selected infant conceived through IVF was not part of a multiple birth.

(c) Would it be unusual for a randomly selected infant to have been conceived through IVF and to have been part of a multiple

birth? Explain.