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.
What is the probability that a randomly selected customer bought:
a. exactly 1 of the accessories.
b. exactly two of the accessories.
c. at least one of the accessories.
d. at least two of the accessories.
e. at most one of the accessories.
f. at most two of the accessories.
g. a case or a warranty, but not both, and did not buy a dock.
h. a case but neither of the other two accessories.
i. a warranty and a dock but not a case.