A company held a blood pressure screening clinic for its employees. The results are summarized in the table below by age group and blood pressure level. Age Group Under 30 30-49 Over 50 LOW 30 40 33 Blood Pressure Normal 52 92 95 High 25 52 75 a. Find the conditional relative frequencies for variable Blood pressure. Based on the conditional probability, determine if there is any association between blood pressure and age group. b. Define an event A: Having high blood pressure and B: being in age group over 50. If a person is selected at random, use the information given in the table to find the following P( A), P(B),P(AB), P(A| B) c. Determine if event A and B are independent or not