Problem related to the telephone company

Assignment Help Mathematics
Reference no: EM131607364

Question: After measuring the duration of many telephone calls, the telephone company found their data was well approximated by the density function p(x) = 0.4e-0.4x, where x is the duration of a call, in minutes.

(a) What percentage of calls last between 1 and 2 minutes?

(b) What percentage of calls last 1 minute or less?

(c) What percentage of calls last 3 minutes or more?

(d) Find the cumulative distribution function.

Reference no: EM131607364

Questions Cloud

Identify the one environment that best describes you : Identify the one environment that best describes you. Interpret your results using the descriptions of personality types on page 57.
Write a paper that integrates what you have learned : Write a paper that integrates what you have learned throughout this course, and describe and discuss 4-6 important competencies .
List the names of the vendors who provided products : List the names of the vendors who provided products. Find the customers whose balance is greater than 200 but less than 300
Employee motivation and recognition programs in the public : Employee motivation and recognition programs in the public sector workplace.
Problem related to the telephone company : After measuring the duration of many telephone calls, the telephone company found their data was well approximated by the density function p(x) = 0.4e-0.4x.
Advancing a resolution to the ethical dilemmas : Is the practice of a student paying for someone to write an assignment and then submitting it as their own work an ethical issue?
Discuss stroke use evidence-based research : Identify ways to enhance or optimize health and ways to prevent Heart Disease and Stroke use evidence-based research
Forecasts of three key macroeconomic variables : The final project for this course is to identify forecasts of three key macroeconomic variables from publically available sources and give a report
Explain importance of selfconcept and emotional intelligence : Explain the importance of self-awareness, self-concept, and emotional intelligence and the role they play in enabling effective conscious leadership.

Reviews

Write a Review

Mathematics Questions & Answers

  Questions on ferris wheel

Prepare a Flexible Budget Gator Divers is a company that provides diving services such as underwater ship repairs to clients in the Tampa Bay area.

  Logistic map

This assignment has two question related to maths. Questions are related to bifurcation cascade and logistic map.

  Finding the probability of cards

This assignment has questions related to probabiltiy.

  Systems of ode

Find all the xed points, and study their stability and Draw the phase portrait of the system, as well as the graphs of the solutions in all relevant cases.

  Derive the boolean expression

Derive the Boolean Expression and construct the switching circuit for the truth table stated

  System of equations

Evaluate which equations are under-identified, just-identified, and over-identified.

  Linear programming problem

Linear programming problem consisting of only two constraints with one objective function.

  Find the natural domain

Find the natural domain of the given functions.

  Introduction to numerical methods

Compute the coecients of the polynomials using the term recurrence relation.

  Chart of the topological manifold

De?nition of smoothness of functions on a smooth manifold is chart independent and hence geometric.

  Mathematics in computing

Questions related on mathematics in computing.

  Complex problems

Complex problems

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd