Suppose X Is a Random Variable Best Described by a Uniform

question 124

Multiple Choice

Suppose x is a random variable best described by a uniform probability distribution with c = 2 and d = 4. Find the value of a that makes the following probability statement true: $\mathrm { P } ( \mathrm { x } \geq \mathrm { a } ) = 0.75$

• A)2.5
• B)2.9
• C)1.5
• D)3.5

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Definitions:

Fixed Costs

Fixed costs are business expenses that remain constant regardless of the level of production or sales activities, such as rent, salaries, and insurance.

Contribution Margin

The sales price minus the variable costs of a product, indicating how much selling one more unit adds to profit.

Variable Costs

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

Fixed Costs

Costs that remain constant regardless of the volume of goods or services produced by a business.