As reported by the U. S. Census Bureau in Americas Families and Living Arrangements, the living arrangements by age of U. S. citizens 15 years of age and older are as shown in the following table above. A U. S. citizen 15 years of age or older is selected at random. Determine the probability that the person selected is over 64, given that the person does not live with spouse.
a. 0.51
b. 0.16
c. 0.17
d. 0.14