Q24:
Factor | Percent of Respondents | User-friendly | 56% | Fast response time | 48% | Bargain prices | 42% |
Q.24 The table gives three factors to be considered when choosing an Internet service provider and the percent of the 1,200 respondents to a survey who cited that factor as important. If 30 percent of the respondents cited both “user-friendly” and “fast response time,” what is the maximum possible number of respondents who cited “bargain prices,” but neither “user-friendly” nor “fast response time?” A. 312 B. 336 C. 360 D. 384 E. 420 Answer:
请问这个题怎么做啊？ 划了半天图也没划出来。 | 
