Consider the following data from a study highlighting differences between HR and non-HR employees. One area of focus was on employees' response to important metrics to consider when evaluating the effectiveness of employee engagement programs. The findings are summarized in the following table. Metric Presenteeism is an Important Metric Employee Yes No Total HR 51 81 132 Non-HR 46 234 280 Total 97 315 412 2 3 4a) What is the probability that a randomly chosen employee is a HR employee? 5 6 27 28 29 30 31 32 33