An observer wonders if, a particular player chooses "Rock" more often than if all three were equally likely to be chosen. To decide, the observer watches this particular player play 15 games and records whether the player chose rock or not rock for each of the 15 games. Of the 15 games played, the player chose "Rock" in 8 of them. Is this evidence that the player chooses "Rock" more often than if all three were equally likely to be chosen in each game? LP 22/23 WS Question la Review ONE POINT What is the variable of interest? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a the average number of times this player chooses Rock b the number of times this player chooses Rock C the proportion of times this player chooses Rock d whether or not a player chooses Rock in each