Among Americans, 9.7% of males are left-handed and 12.5% of females are left-handed.
a. If three females are randomly selected, find the probability that they are all left-handed. When randomly selecting three females, is it unlikely that all of them are left-handed? Why or why not?
b. If one male is randomly selected and one female is randomly selected, find the probability that they are both left-handed.
c. If five females are randomly selected, find the probability that at least one of them is left-handed.