4. Some people believe recycled products are lower in quality than other products, a fact that makes recycling less practical. Here are data on attitudes toward coffee lters made of recycled paper our a random sample of adults: Recycled coee lter status Quality rating Buyers Nonbuyers Higher 20 29 Same 7 25 Lower 9 43 (a} [1 mark] State appropriate hypotheses for performing a chisquare test of independence in this setting. {b} [2 marks] Compute the expected counts assuming that the null hypothesis is true. Show your work. (c) [2 marks] Calculate the chisquare statistic and degrees of freedom. (d) [2 marks] Look up the decision point and draw your conclusion