A computer store compiled data about the accessories that 500 purchasers of new tablets bought at the same time they bought the tablet. Here are the results:
411 bought cases
82 bought an extended warranty
100 bought a dock
57 bought both a dock and a warranty
65 both a case and a warranty
77 bought a case and a dock
48 bought all three accessories
58 bought none of the accessories
Find the probability that a randomly selected customer bought:
F. At most two of the accessories.