this is a probability question

b) A set of data was collected at a manufacturing company to determine whether or not the proportion of defectives item produced was the same for workers on the day, evening, and night shifts. The data collected are shown in Table 3. Table 3 Shift Day Evening Night Defective 32 15 35 Non-defectives 25 24 20 i. State the hypothesis statements. ( 1 mark) ii. Construct a table to calculate the observed and expected counts. Then, calculate the test statistic. (10 marks) iii. Find the critical value for this test. Use a: = 0.025 (1 mark) iv. State a conclusion about the results of your test. (2 marks) -3- 1'}. f .4 'iust