v A drug trial had 288 participants. A survey was taken to determine how many had anxiety as a side effect and how many had drowsiness as a side effect. The Venn diagram below shows the results. (Each number gives the number of participants who fall into that Venn diagram category.) -All participants in the survey: (a) How many of the participants had anxiety? Had Had anxiety drowsiness I participants (b) How many of the participants had neither anxiety nor drowsiness? participants (c) How many of the participants did not have both anxiety and drowsiness? participants