7.) A coin is flipped twice. Find the probability that both tosses are heads.
8.) Two dice are thrown. Determine the probability that the sum of the faces that turn up is 7.
9.) A jury list of 100 names contains names of 55 men and 45 women. Forty-two of the men and 31 of the women have college degrees, and the others do not. A person is selected randomly from this jury list.
a.) What is the probability that this person is female?
b.) What is the probability that this person has a college degree?
c.) What is the probability that this person is female and has a college degree?
d.) What is the probability that the person is male and has a college degree?
e.) What is the probability that the person is male?