Even complicated and confusing topics will be easily developed and covered if you request our help writing an essay. Place an order today!


3. A group of friends debated whether more men use smartphones than women. They consulted a research study of smartphone use among adults. The results of the survey indicate that of the 973 men randomly sampled, 379 use smartphones. For women, 404 of the 1,304 who were randomly sampled use smartphones. Test at the  level of significance.



1.    State the two hypotheses

a.    Ho: P’1  P’2

b.     H a :  P’1 > P’2


2.    Summarize the data


3.    Draw the distribution

Normal Distribution:


4.    Find the z-value/t-value/chi 2 -value and p-value

Test the statistic:

P value=


5.    Make a decision



6.    Write the conclusion in words









4. Suppose an airline claims that its flights are consistently on time with an average delay of at most 15 minutes. It claims that the average delay is so consistent that the variance is no more than 150 minutes. Doubting the consistency part of the claim, a disgruntled traveler calculates the delays for his next 25 flights. The average delay for those 25 flights is 22 minutes with a standard deviation of 15 minutes. Test at the  level of significance.

1.    State the two hypotheses

a.    Ho:

b.     H a : 


2.    Summarize the data


3.    Draw the distribution

Normal Distribution:


4.    Find the z-value/t-value/chi 2 -value and p-value

Test the statistic:

P value=


5.    Make a decision



6.    Write the conclusion in words

 


Solution details:
STATUS


ANSWER RATING

This question was answered on: Sep 05, 2019

Solution~000200225234.zip (25.37 KB)


This attachment is locked

We have a ready expert answer for this paper which you can use for in-depth understanding, research editing or paraphrasing. You can buy it or order for a fresh, original and plagiarism-free solution (Deadline assured. Flexible pricing. TurnItIn Report provided)

testimonials icon
ERISA speaks directly to the issue of “Fiduciary Responsibilities” in the context of the Act. Find one article or one decision (case law othe...
testimonials icon
Read then write answering question...
testimonials icon
Please write discussion post 1 & 2 and reply to discussion post 1 reply and discussion post 2 reply...
testimonials icon
This essay explores the Narrative Mode, which is perhaps the most natural style of writing for most people.One of th...
testimonials icon
Provide a 10 pages analysis while answering the following question: Final Assignment Autism. Prepare this assignment according to the guidelines fo...
testimonials icon
Abstract assignment Objective(s): This assessment task addresses subject learning objectives: 1, 2, 3, 4, 5, 6 and 7 This assessment task contrib...
testimonials icon
Catherine Owens Writing promt#2 "...
testimonials icon
Interview a health care leader of your choosing. Discuss topics related to leadership style and the roles and responsibilities of...
testimonials icon
Unit 4 Assignment International Organizational Behavior-Cultural Differences in Job Characteristics and Job Satisfaction How do various factors of o...
testimonials icon
Look At the instructions carefully read it two or three times before you write the paper. I will provide a suggestion topics that we discuss in the...

Other samples, services and questions:

Calculate Price

When you use PaperHelp, you save one valuable — TIME

You can spend it for more important things than paper writing.

Approx. price
$65
Order a paper. Study better. Sleep tight. Calculate Price!
Created with Sketch.
Calculate Price
Approx. price
$65