Calculate the Specified Probability
-Suppose That $A$ Is a Random Variable $P ( T > a ) = P ( T < - a ) = x$

question 18

Multiple Choice

Calculate the specified probability
-Suppose that $A$ is a random variable. Also suppose that $P ( T > a ) = P ( T < - a ) = x$ , and that $P ( 0 < T \leq$ a ) $= y$ . Find $P ( - a \leq T \leq 0 )$ in terms of $x$ and $y$ .

• A)\(y\)
• B) \(1 - 2 x - y\)
• C) \(1 - y\)
• D) \(1 - ( 2 x - y )\)

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Definitions:

Break-even Point

The level of production or sales at which total revenues equal total expenses, resulting in no net loss or gain.

Variable Costs

Costs that fluctuate in direct relation to the level of production or volume of operations in a business.

Fixed Costs

Costs that remain constant and do not change based on the volume of goods or services a business produces.

Required Sales

The amount of sales a company needs to achieve in order to cover its costs and reach a desired level of profit.