Mutually exclusive and collectively exhaustive events: a. Contain all outcomes in a sample space and may share common outcomes.
b. Do not have to contain all outcomes in a sample space and may share common outcomes.
c. Contain all outcomes in a sample space and do not share common outcomes.
d. Do not have to contain all outcomes in a sample space but do not share common outcomes.

Einar sees alexandra every day across the room in his history class but has never talked with her. einar likes the way alexandra looks, including the way she dresses and how she wears her hair. he's even more attracted to her apparent intelligence and the way she handles herself in class discussions and during interactions with the instructor. he'd like to know more about her, so he asks one of his friends about her. einar, using a passive strategy to gain information about her, is probably in the preinteraction awareness stage of any relationship that might develop between them. t/f

What landform is circled in the map above?

How much rainfall does the choco region of colombia receive each year a. less the 40 inches b. between 100 and 500 inches c. between 200 and 250 inches d. more then 400 inches