Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. the length of time for an individual to wait at a

The length of time for an individual to wait at a lunch counter is a random...

70.2K

Verified Solution

Question

Basic Math

The length of time for an individual to wait at a lunch counteris a random variable whose density function is

f(x) = (1/4)e^(-x/4) for x > 0 and = 0 otherwise

a) Find the mean and the variance

b) Find the probability that the random variable is within threestandard deviations of the mean and compare Chebyshev'sTheorem.

Answer & Explanation Solved by verified expert
3.5 Ratings (445 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Statistics
1.2K views

The production of wine is a​ multibillion-dollar worldwide industry. In an attempt to develop a model...

General Management
1.2K views

Explain who should be involved in the evaluation of risk management treatments. Sometimes external auditors can...

Biology
1.2K views

In steps 7-10 of the Lab 2 protocol, why does adding SDS, then dding potassium...

Biology
1.2K views

UV radiation is an ionization radiation that is useful for disinfecting surfacesTrueFalse

Physics
1.2K views

2 In the figure a simple pendulum is released from rest in the horizontal position...

Physics
1.2K views

Block A of mass 35 kg is resting on a frictionless floor Another block B...

Basic Math
1.2K views

31 Let A 0 2 and B 14 11 2 04 2 Find a AB...

Statistics
1.2K views

What is the p value of a two tailed one mean hypothesis test with a...

Accounting
1.2K views

Depreciation on the company's equipment for the year is computed to be $18,000. ...

Accounting
1.2K views

The comparative income statements of McMahon Music Co. follow: (Click the icon to view the...

Accounting
1.2K views

4j 8The cash account for Brentwood Bike Co. at May 1 indicated a balance of...

Accounting
1.2K views

Remington Corporation had accounts receivable of $100,000 at 1/1. The only transactions affecting accounts receivable...