Two (or more) events are mutually exhaustive if (if and only if) they include all possible outcomes.

Children begin to name objects at about ________

a. 3 months of age. b. 6 months of age. c. 1 year of age. d. 3 years of age.

Individuals who see love as a game of skill and strategy have a _________ love style

a. ludus b. eros c. storge d. passion