Question: A child psychologist interested in how friends are selected studies groups of three children. For one group, Ann, Barb, and Carol, each is asked which

A child psychologist interested in how friends are selected studies groups of three children. For one group, Ann, Barb, and Carol, each is asked which of the other two she likes best.
(a) Make a list of the outcomes. (Use A, B, and C to denote the three children.)
(b) Let X be the number of times Carol is chosen. List the values of X.

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