What is the probability that the sample mean is more

Assignment Help Management Theories
Reference no: EM131460805

Question: According to a recent survey, high school girls average 100 text messages daily (The Boston Globe, April 21, 2010). Assume the population standard deviation is 20 text messages. Suppose a random sample of 50 high school girls is taken.

a. What is the probability that the sample mean is more than 105?

b. What is the probability that the sample mean is less than 95?

c. What is the probability that the sample mean is between 95 and 105?

Reference no: EM131460805

Questions Cloud

Construct the centerline and upper and lower control limits : Following customer complaints about the quality of service, Dell stopped routing corporate customers to a technical support call center in Bangalore, India.
Evaluate the organizational environment in the health care : Evaluate the organizational environment in the health care industry to recognize how technology solutions enable strategic outcomes.
How investment decisions are influenced by interest rate : Assess how investment decisions are influenced by expected future interest rate movements, indicating any confounding factors by investor habits.
Applicants are now failing the test : Would it be reasonable to conclude that more than 10% of the applicants are now failing the test?
What is the probability that the sample mean is more : According to a recent survey, high school girls average 100 text messages daily (The Boston Globe, April 21, 2010). Assume the population standard deviation.
What was percentage increase per year in winners check : What was the percentage increase per year in the winner’s check over this period?
Calculate a standard deviation : For which of the following variable(s) would it be appropriate to calculate a standard deviation (choose all that apply):
What is the name of the independent auditor : what are the main activities of the Company? What is name of independent auditor, what is his responsibility, and what are the standards that govern his audit?
Comment on the sample size and corresponding probabilities : Beer bottles are filled so that they contain 330 ml of beer in each bottle. Suppose that the amount of beer in a bottle is normally distributed with a standard.

Reviews

Write a Review

Management Theories Questions & Answers

  Is jack correct in given condition

The contract does not specify the place of delivery, and Jack insists that the place of delivery is either his house or Edwin's store. Is Jack correct?

  The net paying interest rate for west inc

Suppose EAST.Inc pays a fixed rate of 9.5 percent and WEST Inc. pays a floating rate of LIBOR +1.5 percent. They entered a swap where EAST Inc agrees to pay LIBOR to WEST Inc. and WEST Inc. agrees to pay 9 percenr to EAST Inc.a.

  Charge of cessnas new single-engine factory

If you were in charge of Cessna's "new" single-engine factory, what would you do - production teams would be completely responsible for assembling the planes and for costs and quality.

  What externalities could affect the life cycle of product

Create the strategic option utilized: either a differentiation strategy or a cost strategy. What externalities could affect the life cycle of the product or service. Evaluate the strategies Mature Strategy, Niche strategy, Harvest strategy

  A collaborative learning community assignment

Rancho Solano (RSPS), with its new international focus and class ratios of 7:1 continues to be a highly ranked private school in the state of Arizona and was ranked as the third best private school in the state of Arizona with its overall student ..

  Do you think that upper level management

Very often managers just make standard salaries and often aren't bonus based but can be, it just depends on the set up of the company. Do you think these pay levels are ever equal? Why or why not?

  One really good example of lean concepts and principles

one really good example of lean concepts and principles being applied in the service industry is southwest airlines. in

  How many of partners must agree to achieve given objectives

The partners cannot agree on a course of action. How many of the partners must agree to achieve each of the given objectives?

  Explain difference between strength and weakness

Assume that an HR department audit will be performed in the XYZ Corporation. Based on what you read in the case, how would you summarize the personnel manager's perception of the HR department's role, goals, and objectives in hiring and recruiting..

  Believe is the best investment

Believe is the best investment

  Entrepreneurs learn to think globally

1. Why must entrepreneurs learn to think globally? 2. What forces are driving small businesses into international markets?

  Issue of common and civil law systems internationally

The issue of common and civil law systems internationally, Intellectual property, copyright infringements, and legal ramifications, Violation of human rights of employees and child labor law violations

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