Which of the Following Is Not True for a Random $$a \leq x \leq b$$

question 31

Multiple Choice

Which of the following is not true for a random variable X that is uniformly distributed over the interval $$a \leq x \leq b$$ ?

• A) E ( X ) = ( a + b ) / 2
• B) =\(V(X)=(b-a)^{2} / 12\)
• C) \( \sigma = ( b - a ) / 6\)

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Definitions:

Just-In-Time

A production strategy that strives to improve a business's return on investment by reducing in-process inventory and associated carrying costs through timely procurement and shipment.

Prevention Costs

Costs incurred to prevent defects before they occur, including costs associated with design, training, and process control.

Appraisal Costs

Expenses associated with measuring, evaluating, or auditing products or services to ensure conformity to quality standards and performance requirements.

Environmental Costs

Environmental costs are expenses associated with the impact of an activity on the environment, including pollution mitigation, resource depletion, and habitat destruction.