6. How many Americans under the age of 40 have student debt? A Pew Research Centre survey attempted to (5 marks) answer this question by asking respondents what their occupation was and whether they had student debt. The following probabilities were calculated. Occupation Percent in Occupation Percent with Student Debt Managerial/Professional 32 45 Technical Sales/Service 15 39 Other 53 27 Calculate the probability that a randomly selected respondent has student debt