What is the probability that a service call

Assignment Help Business Management
Reference no: EM132346689

1. A review of the service call records of Ed's Electric indicates that the time taken for a service call can be represented by a normal distribution with mean 45 minutes and standard deviation 10 minutes.

a. What is the probability that a service call takes more than 30 minutes? (Be sure to indicate the relevant Z-score for the problem).

b. What is the probability that a service call takes less than an hour? (Be sure to indicate the relevant Z-score for the problem).

c. An electrician is scheduled to make 3 calls in a morning. The times taken for each call are independent of one another. What is the probability that all 3 of the calls will take more than one hour?

Reference no: EM132346689

Questions Cloud

What are the different types of environmental variables : What are the different types of environmental variables and its importance?
Describe aspects to implementing the six-sigma concept : Review the rubric that will be used to evaluate this paper. Read the case: Katz Carpeting, available in the Operations Management textbook, Chapter 7.
Derive the market portfolio and Sharpe ratio : ECON3107/5106 Economics of Finance Assignment Questions, University of New South Wales, Australia. Derive the market portfolio and Sharpe ratio
What is the average unit cost of the order : Suppose Company X decides to buy 8,000 units from Supplier A. What is the average unit cost of the order? Please provide at least one
What is the probability that a service call : A review of the service call records of Ed's Electric indicates that the time taken for a service call can be represented by a normal distribution with mean 45
Identify two benefits of using cloud-based systems : Conduct some research on cloud-based systems or, specifically cloud-based EHR systems, and: Identify two benefits of using cloud-based systems.
Describe what a cloud-based system is : Comment on the completeness and correctness of the explanation of what a cloud-based system is and how it differs from an on-premise implementation, explaining.
Compute the posterior probability : Compute the posterior probability that the bid will be successful given that a request for additional information has been received.
Describe an emerging or expanded role for public health : Describe an emerging or expanded role for public health or health education professionals in 2030 and beyond. Explain and support your choice with resources.

Reviews

Write a Review

Business Management Questions & Answers

  Explain advertising during the super bowl is pricey

Explain Advertising during the Super Bowl is pricey and reserved for mega brands but local television stations are allowed to air local advertisements during the broadcast

  Write a personal agenda

Write a personal agenda for a meeting with a business unit.

  Turnover problem in these supervisory roles

Why did their enactment of a policy of exclusively promoting from within the organization reduce their turnover problem in these supervisory roles?

  Workplace had an authentic leader

What if a workplace had an authentic leader, but that wasn't the type of leader they needed and therefore their leadership style did not benefit the company.

  Determining the dates of admission

Compute the length of stay of 10 patients who were discharged from hospital on October 5, 2008. Their dates of admission were as follows:

  Conduct a research regarding using social media for

conduct a research regarding using social media for business that includes problem data and sources sub problems

  Calculate presidios contribution margin ratio

Calculate presidios contribution margin ratio and its total contribution margin at each sales level indicated in the cost data table assuming the company.

  Assesses a legal-ethical issue or situation

Prepare an 11- to 15-page paper (not including the title and reference pages) that assesses a legal/ethical issue or situation relating to a current, previous, or potential future work environment. Use at least 10 scholarly sources that are suitab..

  Profit-maximizing level of output

In the short run, information about a perfectly competitive firm's fixed costs is needed to determine both the profit-maximizing level of output and the amount

  What are the common sampling methods

What is sampling and why do we need sampling? What are the common sampling methods? Could you provide a real world example to illustrate which method is more appropriate to choose in reality? What are your criteria?

  How does a performance evaluation system affect teamwork

How does a performance evaluation system affect teamwork? What are the characteristics of a good team performance evaluation system

  Determine two specific internal factor that the leaders need

Determine two specific internal factors that the organization's leaders need to consider in preparing for future of health care and the future of organization.

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