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6. The college health center did a campus-wide survey of students and found that 18% of...

6. The college health center did a campus-wide survey of students and found that 18% of the students smoke cigarettes. A group of nine students randomly come together and sit at the same table on the plaza in front of the library. Find the probability that:

(a) No student at the table smokes.

(b) At least one student at the table smokes.

(c) More than two students smoke.

(d) From one to five smoke (including one and five).

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