Students were surveyed on the number of visits to a Marc?s Milk convenience store (often, occasional, or never) and if the store was conveniently located to their school (yes or no)

a. What is the probability that a student never visited the store?

b. What is the probability that a student visited the store occasionally and found the store conveniently located?

c. What is the probability that a student visited the store often given that the student felt the store was conveniently located?

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Convenience Store Visits Yes No Total Often 60 20 80 Occasional 25 35 60 Never 5 50 55 105 Total 90 195