500 students of Holt University were surveyed. One survey question asked for the

Question

500 students of Holt University were surveyed. One survey question asked for their class ranking (freshman, sophomore. junior, senior). A second question asked for their preferred non-class activity (sports, arts, študent government, community service). The frequencies of responses to these two questions are provided in the distribution chart, below freshman sophomore junior senior Sports 5040 Arts Government 20 Community 30 20 40 50 30 50 10 30 20 20 40 30 20 If a random Holt University student is approached and asked for their class ranking and preferred non-class activity, what is probability that they are a senior but they prefer something other than arts? O None of the Above O 50/500 O 300/500 O 100/500 150/500

Explanation / Answer

probability that they are senior but they prefer something other than arts
= (50 + 30 + 20)/500 {look in senior column and add all number except in arts row}
= 100/500

option D) is correct

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