Probability that the sample mean is less than 38 minutes

Assignment Help Basic Computer Science
Reference no: EM132008176

It is often important to monitor traffic on a website as organisations need to make online interactions with their clients faster and easier. For example, businesses applying for an Australian Business Number (ABN) online at <www.abr.gov.au> are asked to have a variety of information about their entity ready before they begin the online process. Assume that ABN online-application times are normally distributed with a mean time of 40 minutes and a standard deviation of 5 minutes. If a random sample of 50 applications is taken:

a. What is the probability that the sample mean is less than 38 minutes?

b. What is the probability that the sample mean is between 39 and 41 minutes?

c. The probability is 80% that the sample mean is between what two values symmetrically distributed around the population mean?

d. The probability is 90% that the sample mean is less than what value?

Reference no: EM132008176

Questions Cloud

Calculate the present value of investment : The following table lists the lump sum payout, the timing of that payout, and discount rate associated with five different investments.
Account after three years : If you deposit $1000 into an account at the end of each of the next three years and the account pays annual interest rate of 4%,
What is the direct materials budget for the third quarter : Whitefish maintains finished goods inventories equal to 10% of the following month's sales. What is the direct materials budget for the third quarter
What is the probability that the sample mean : a. What is the probability that the sample mean is less than 38 minutes? b. What is the probability that the sample mean is between 39 and 41 minutes?
Probability that the sample mean is less than 38 minutes : a. What is the probability that the sample mean is less than 38 minutes?
Review the elements of a persuasive speech : Write and Deliver Your Own Speech - FORUM DESCRIPTION - review the Elements of a Persuasive Speech slideshow and take the quiz before posting on discussion
Proportion of new graduates : At the 0.05 level of significance, can you state that the proportion of new graduates who have found full-time work within four months of completion
What is nies ethical dilemma : What is Nies's ethical dilemma? What are the alternative solutions? Weigh the impact of each on various stakeholders
Advises parents of incoming students about the cost : The director of admissions at a large university advises parents of incoming students about the cost of textbooks during a typical semester.

Reviews

Write a Review

Basic Computer Science Questions & Answers

  What material would you select for a tile floor

Review all the options available in the various tabs of the Materials tool palette. If you were designing the interior of a house, what material would you select for a tile floor? for a leather couch? for a copper sculpture?

  Three forms of database connectivity methods

Question: database solutions today must be able to adapt and integrate among various computing applications. Determine at least three forms of database connectivity methods that can be used as an interface between applications.

  Shows all features of the graph

In Problem use the derivative to locate critical points and determine a viewing window that shows all features of the graph.

  Describe and categorize the major types of firms

Describe and categorize the major types of firms (sole proprietorship, partnership & corporation) in the united states and the various advantages and disadvantages the of each. in addition, summarize the typical management structure of each busine..

  Operating system threats and security

Explaining the most common security threats, modern threats to current Client and Network Operating Systems, Encryption, Authentication, and Hashing. Include the narrator notes as a separate attachment.

  Expected or average annual cash flows

An investment project has expected or average annual cash flows of $50.000 with a standard deviation of $20.000. The distribution of annual net cash flow is approximately normal. A. determine the probability that the annual net cash flows will be..

  Write an essay on turing machine explain with examples

Write an essay on turing machine explain with examples

  Formula for determining desired product cost percentage

What would be the Desired product cost percentage and the selling price for the fajitas?

  Use a cluster to provide fault-tolerant computing

Describe the trade-offs between your solution and a single multiprocessor-based computer system solution.

  Describe the vulnerability that the attack exploits

Describe the vulnerability that the attack exploits, including how or why the vulnerability exists, what versions of software are vulnerable. Include a technical overview of the category of vulnerability (for example, command injection, buffer ove..

  Assume the sequence numbers are properly sized

What suggestions would you make to your colleague to fix the protocol? Assume the sequence numbers are properly sized.

  Stores them in variables of string data type

Write a c++ program that reads 2 words, stores them in variables of string data type, and displays the shortest length of these 2 words. Can u also please explain each line of coding in simple arithmetic.

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