Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Faced with rising fax costs, the firm issued guideline that transmissions of 10 pages or more must be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 10 or below. The firm examined 35 randomly selected fax transmissions throughout the next year, yielding the sample mean of 14.44 with standard deviation of 4.45 pages.

a) At the .01 level of significance, is the true mean greater than 10?

b) Use Excel to find the right-tail p-value.

Hypotheses

H0: _ = 10 vs. _ > 10

Level of Significance:

0.01

Decision Rule

Reject the null hypothesis if p-value < 0.01

Calculation:

Hypothesis Test: Mean vs. Hypothesized Value

Hypothesized value

10.000

Mean Sample

14.400

Std. dev.

0.752

n

35  

5.85

Z

2.46E

P-value

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M916855

Have any Question? 


Related Questions in Statistics and Probability

Business quantative analysis and statistics 1project

BUSINESS QUANTATIVE ANALYSIS AND STATISTICS 1 Project Management Scenario: You are a consultant with expertise in project management strategies. Select a possible project management situation from your current or future ...

A research concludes that the number of hours of exercise

A research concludes that the number of hours of exercise per week for adults is normally distributed with a mean of 3.5 hours and a standard deviation of 3 hours. (a) Find the 75th percentile for the distribution of exe ...

A researcher was interested in whether people tend to marry

A researcher was interested in whether people tend to marry individuals who are about the same level of physical attractiveness as they are. She took individual photographs of 14 pairs of spouses. Then, she had 10 partic ...

1 what are the most common causes of missing data and what

1. What are the most common causes of missing data, and what difficulties do missing data cause? What can be done if data are missing? 2. Comment on the circumstances under which a researcher would consider deleting one ...

You are interested in using linear regression to test

You are interested in using linear regression to test whether drinking a protein shake improves weightlifting performance. From a sample of 200 college students, you estimate a linear regression with WEIGHTLIFT as the de ...

Construct an aumann model of incomplete information for

Construct an Aumann model of incomplete information for each of the following situations, and specify a state of the world in that model which corresponds to the situation (there are several possible ways of including hi ...

1 write the general form of a regression equation that has

1. Write the general form of a regression equation that has a single predictor variable. Identify the criterion variable, the predictor variable, the regression constant, and the regression coefficient. 2. A regression e ...

1 what value of cronbachamp39s alpha coefficient indicates

1. What value of Cronbach's alpha coefficient indicates acceptable interitem reliability? 2. Why are researchers sometimes not able to test the reliability of their measures? 3. What steps can be taken to increase th ...

You are an economic consultant whose task is to investigate

You are an economic consultant whose task is to investigate whether there is gender discrimination with respect to earnings in the government of Little Rock. You take a random sample of 22 people of which 10 are women an ...

Case study diets and weight lossnbspa study innbspthe

CASE STUDY Diets and Weight Loss  A study in The Journal of the American Medical Association describes the effects of diets on weight control. In the study, 311 women were randomly divided into four groups. The first gro ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro