A survey carried out for a supermarket classified customers according to whether their visits to the store are frequent or infrequent and whether they often, sometimes, or never purchase generic...

Extracted text: A survey carried out for a supermarket classified customers according to whether their visits to the store are frequent or infrequent and whether they often, sometimes, or never purchase generic products. The accompanying table gives the proportions of people surveyed in each of the six joint classifications. Complete parts (a) through (h). Purchase of Generic Products Frequency of Visit Frequent Often Sometimes Never 0.21 0.36 0.15 Infrequent 0.09 0.11 0.08 Y No O Yes d. What is the probability that a customer who frequently visits the store often buys generic products? 0.2917 (Round to four decimal places as needed.) e. Are the events "Often buys generic products" and "Visits the store frequently" independent? Y No Yes f. What is the probability that a customer infrequently visits the store? 0.28 (Do not round.) g. What is the probability that a customer never buys generic products? 0.23 (Do not round.) h. What is the probability that a customer either infrequently visits the store or never buys generic products or both? (Do not round.)