In a recent year, about

3535%

of all infants born in a country were conceived through in-vitro fertilization (IVF). Of the IVF deliveries, about

twenty-eighteight

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.