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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,what is the probability that a randomly selected student is a freshman who lives in a dormitory?
Double-blind Technique
A research method in which both the subjects and the experimenters are unaware of who is receiving the treatment, to eliminate bias.
Seasickness
A form of motion sickness characterized by nausea and, in severe cases, vertigo, induced by the swaying movement of a ship at sea.
Inactive Pill
a placebo or sugar pill that has no active medical ingredients, often used in control groups during studies.
Antianxiety Drug
Medication that reduces or controls anxiety symptoms.
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