SCENARIO 4-8 According to the Record of the Registrar's Office at a at a State

question 125

Short Answer

SCENARIO 4-8
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 4-8,if a randomly selected student lives in the dormitory,what is the probability that the student is a freshman?

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Definitions:

Propositions

Statements that express ideas or opinions that can be either true or false.

Camping Trip

An excursion, typically involving overnight stays away from home in a shelter such as a tent or recreational vehicle.

Disjunctive

Pertaining to a logical relation between propositions where the truth of one means the falsity of the other; often involving an "either...or" scenario.

Syllogistic Steps

Logical procedures involving a form of reasoning in which a conclusion is drawn from two given or assumed propositions (premises); a major premise and a minor premise.