Instruction 4.8 According to the Record of the Registrar's Office at a at a University

question 133

Short Answer

Instruction 4.8
According to the record of the registrar's office at a university, 35% of the students are first-year, 25% are second-year, 16% are third-year and the rest are doing their honours year. Among the first-year, second-year, third-year and honours students, the portion of students who live in a residential college are, respectively, 80%, 60%, 30% and 20%.
-Referring to Instruction 4.8,what is the probability that a randomly selected student is a first-year student who lives in a residential college?

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Definitions:

Vehicle Lamp

A lighting device mounted on vehicles, including headlights, tail lights, and signal lights, enhancing visibility and communication.

LED

A Light Emitting Diode is a semiconductor device that emits visible light when an electric current passes through it, widely used in displays and lighting.

HID

High Intensity Discharge, a type of lighting that produces light through an electrical discharge between two electrodes in a gas-filled tube, commonly used for vehicle headlights.

HID Headlamp

High-Intensity Discharge headlamps use gas discharge to produce a brighter, more energy-efficient light than traditional halogen bulbs.