Nanette Must Pass Through Three Doors as She Walks from Her

question 78

Multiple Choice

Nanette must pass through three doors as she walks from her company's foyer to her office. Each of these doors may be locked or unlocked. Let B be the event that exactly two doors are in the same condition. List the outcomes of B.
[Let "L" designate "locked" and "U" designate "unlocked".]

• A) {LLL, LLU, LUL, LUU, ULL, ULU, UUL, UUU}
• B){LLU, LUL, ULL}
• C) {LLU, LUL, ULL, LUU, ULU, UUL}
• D) None of these.

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Definitions:

Short-Run

A period during which at least one input, such as plant size or capital, is fixed, allowing only some production variables to be adjusted.

Long-Run

A period in economics where all factors of production and costs are variable, and all market adjustments to changes have been completed.

Aggregate Supply

The complete production of goods and services within a country's economy at an established price level over a defined period.

Recession With Inflation

A situation characterized by rising inflation during a period of economic downturn, leading to high unemployment and stagnant demand.