Use Random-Variable Notation to Represent the Event $\{ 3 < Y < 5 \}$

question 43

Multiple Choice

Use random-variable notation to represent the event.
-Suppose that two balanced dice are rolled. Let Y denote the sum of the two numbers. Use random-variable notation to represent the event that the sum of the two numbers is at least 3 but
Less than 5.

• A) \(\{ 3 < Y < 5 \}\)
• B) \(\{ 3 \leq X + Y < 5 \}\)
• C) \(\{ 3 \leq \mathrm { Y } < 5 \}\)
• D) \(( 1,2 ) , ( 2,1 ) , ( 1,3 ) , ( 3,1 ) , ( 2,2 )\)

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Definitions:

Activity Variance

Deviation between planned and actual activity levels, often analyzed in the context of budgeting or performance measurement.

Budgeting

The process of creating a plan to spend your money, outlining an estimate of income and expenditures for a set period of time.

Planning Budget

A financial plan that estimates the income and expenditures for a future period, typically structured around a specific project or business operation.

Supplies Costs

Expenses for materials and items necessary for the maintenance and operation of a business.