CHI SQUARE QUESTION

2. In an industry, 200 workers, employed for a specific job, were classified according to their performance and training received ot received to test independence of a specific training and performance. The data is summarized as follows: Performance Good Not good Total Trained 100 50 150 Untrained 20 30 50 Total 120 80 200 Use Chi-Square test of independence at 5% level of significance and write your conclusion