SCENARIO 4-16
According to the record of the registrar's office at a state university, 35% of the students are
freshman, 25% are sophomore, 16% are junior and the rest are senior. Among the freshmen,
sophomores, juniors and seniors, the portion of students who live in the dormitory are, respectively,
80%, 60%, 30% and 20%.
-Referring to Scenario 4-16, if a randomly selected student lives in the dormitory, what is the
probability that the student is not a freshman?

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The Answer of SCENARIO 4-16
According to the record of the registrar's office at a state university, 35% of the students are
freshman, 25% are sophomore, 16% are junior and the rest are senior. Among the freshmen,
sophomores, juniors and seniors, the portion of students who live in the dormitory are, respectively,
80%, 60%, 30% and 20%.
-Referring to Scenario 4-16, if a randomly selected student lives in the dormitory, what is the
probability that the student is not a freshman?

SCENARIO 4-16 According to the Record of the Registrar's Office at a at a State