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

question 72

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,if a randomly selected student lives in a residential college,what is the probability that the student is a first-year student?

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Definitions:

Variable Costs

Costs that vary directly and proportionally with the level of production or sales volume, such as raw materials and direct labor costs.

Fixed Costs

Charges that stay the same, no matter the production or sales figures, such as rental fees, employee salaries, and insurance premiums.

Variable Utilities Cost

Expenses for utilities such as electricity and gas that vary in proportion to a company’s level of operation or production activity.

High-low Method

A technique used in managerial accounting to estimate fixed and variable costs associated with production.