An experimenter testing for extrasensory perception has four cards with pictures of a left parenthesis s right parenthesis tar comma a left parenthesis c right parenthesis ircle comma left parenthesis w right parenthesis iggly lines comma and a left parenthesis d right parenthesis ollar sign. She selects two cards without replacement. Outcomes in the sample space are represented by pairs such as (w comma s) and (s comma c). Complete parts (a) through (d) below. Question content area bottom Part 1 (a) How many elements are in this sample space? enter your response here (Type a whole number.)