5. In a survey of 1000 people, the following preference is observed. Buys computer Doesn't buy computer 100 400 Student Not student 300 200 a. Is buying computer correlated with the student status? Is this relationship significant with 90% significance level? (3) b. With a support of 30% and confidence of 30%, write two significant association rules from this dataset. (4) c. Find out the maximum itemsets from this dataset considering the support threshold of 30%. (3)