Does the replacement policy serve any good purpose

Assignment Help Basic Statistics

Reference no: EM131811446

Question: Electrical components of a particular type have exponentially distributed lifetimes with mean 48 hours. In one application the component is replaced by a new one if it fiats before 48 hours, and in cade it survives 48 hours it is replaced by a new one anyway Let T represent the potential lifetime of a component in continuous use, and U the time of such a component in use with the above replacement policy. Sketch the graphs of

a) The c.d.f. of T: b) the c.d.f. of U. is U discrete, continuous, or neither?

b) Find E(U). [Hint: Express U as a function of T.]

c) Does the replacement policy serve any good purpose? Explain.

Reference no: EM131811446

Questions Cloud

Determine the expected average rate of return : What are the principal objections to the use of the average rate of return in evaluating capital investment proposals

Describe today pluralist society : Describe today's pluralist society and outline the challenges and opportunity it presents for modern business.Do you believe this provides further justification

Identify the type of pain your client is experiencing : Identify the type of pain your client is experiencing for which applications of applied behavioral science are appropriate.

Briefly describe the case and the legal issue : Briefly describe the case and the legal issue. What ethical issues are raised in this case, if any?

Does the replacement policy serve any good purpose : Electrical components of a particular type have exponentially distributed lifetimes with mean 48 hours. In one application the component.

Ethical issues relating to international investments : There are multifaceted ethical issues relating to international investments. One aspect relates to human rights. Most Latin American governments

How many units must be sold this year : How many units must be sold this year to earn the same operating income as was earned last year

Implement a process improvement plan : Give an example of a U.S. company that you can use to implement a process improvement plan? Why did you plan to develop a process improvement plan.

Write down expressions for probabilities of the events : Local calls are coming into a telephone exchange according to a Poisson process with rate ?dis calls per minute. Independently of this, long-distance calls.

User Account

All Pages