Question: You are curios if there is a difference between men and women for the approval percentage of a politician. Out of 400 men 307 approve

You are curios if there is a difference between men and women for the approval percentage of a politician. Out of 400 men 307 approve and out of 500 women 340 approve.

(a) Find a 95% confidence interval for difference in proportion of men and women of the political candidate.

(b) Does your interval overlap 0? What does this signify?

(c) At the 5% signficance level, test the claim that the proportion of men vs women show approve of th politician is the same. Does this indicate the support is the same among men and women?

Step by Step Solution

★★★★★

3.39 Rating (152 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To solve this problem we need to conduct a series of calculations regarding the approval ratings of the politician between men and women Lets tackle e... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (2 attachments)

6095239d06bb5_25584.pdf

180 KBs PDF File

6095239d06bb5_25584.docx

120 KBs Word File

Students Have Also Explored These Related Mathematics Questions!

In each circuit of Figure 689, identify the series and parallel relationships of the resistors viewed from the source. R 1.0 + (a) FIGURE 6-89 sv Alli | R 6.8 R3 3.3 R4 10 R5 5.6 R 1.0 R 1.0 (b) WW +...

Is there a difference between men and women in their preference for working for some government agency? Conduct a test to determine whether there is enough evidence to infer that women (SEX: 1 =...

A researcher wishes to see if there is a difference in the average number of times local police were called in school incidents. Samples of school districts were selected, and the numbers of...

A researcher wishes to see if there is a difference between the mean number of hours per week that a family with no children participates in recreational activities and a family with children...

Biostatistics Team Project 2 1. The following are body mass index (BMI) scores measured in 12 patients who are free of diabetes and participating in a study of risk factors for obesity. Body mass...

Lesson 9: Comparing Two Groups NAME Lab Activity Answer the following questions showing all work. For questions that require Minitab Express include the appropriate output (copy + paste) along with...

Exploration 4.2 Have a nice trip An area of research in biomechanics and gerontology concerns falls and fall-related injuries, especially for elderly people. Recent studies have focused on how...

Location Income ($1,000) Urban 27 Rural 25 Suburban 25 Suburban 26 Rural 30 Urban 29 Rural 33 Urban 30 Suburban 32 Urban 34 Urban 35 Urban 40 Rural 30 Rural 33 Urban 42 Suburban 32 Urban 43 Urban 43...

13. (0.5 + 0.5 + 1 + 1+ 1 = 4 marks) A study was conducted to compare the length of time between men and women to assemble a certain product. Sample standard deviation in a random sample of times for...

on 1 During the recent century, some regions have become heavily industrial. The industries that operate there emit pollution that can change the level of acidity (measured as PH level) of rainwater...

Drugs shown in 98 percent of movies Story summary: A "government study" claims that drug use, drinking, or smoking was depicted in 98% of the top movie rentals (Associated Press). Give a headline and...

Graph the equation y = 20Cx(0.3)x(0.7)(20-x) on your calculator in a graphing window with friendly x-values, and turn off the axes. Describe this graph.

Find the absolute maximum and absolute minimum of the function f ( x ) = xx 2 + 1 over the interval [ 4 , 5 ] .

JMorcus Webb Company discovered the following errors made in January 2012. 1. A payment of Salaries and Wages Expense of $700 was debited to Equipment and credited to Cash, both for $700. 2. A...

Evergreen Carpets' books show the following data. In early 2013, auditors found that the ending inventory for 2010 was understated by $6,000 and that the ending inventory for 2012 was overstated by...

Anasazi Earth Clothing is a retail store specializing in womens clothing. The store has established a liberal return policy for the holiday season in order to encourage gift purchases. Any item...

Blake Gable has recently been hired as the manager of Jittery Jims Canyon Coffee. Jittery Jims Canyon Coffee is a national chain of franchised coffee shops. During his first month as store manager,...

Halloween Costumes estimates its inventory by the gross profit method. The gross profit has averaged 30% of net sales. The companys inventory records reveal the following data: Inventory, May 1 $...

what is the answer 4 of 12 2.5b | Solve linear inequalities Solve: 4w 2 10w + 72

critique of statistical validity must address two main points, (1) effect size and (2) statistical significance. Effect Size: Whether/How do they report how large their effect was or how much...

I have (4) assisgnments I need completed correctly before 7am tomorrow 1/30/17. The spreasheets and instructions are attached for ACC 306 Microcomputer Applications Excel 2013. 1. Guided Project 6-3...

Suppose a new treatment for a certain disease is given to a sample of 190 patients. The treatment was successful for 165 of the patients. In USE SALT Assume that these patients are representative of...

ONDRAYA STORE CASE: The Concept The Opportunity K. Ondraya is considering entering the womenswear market by opening a store in Calgary and has collected the following information. Because of the...

Nine random weights were taken from a certain population. 200, 210, 208, 195, 215, 187, 213, 216, 210 https://www.desmos.com/calculator/bqd1 awxejb A) What is a point estimate for the mean weight of...

Declan Dixon, director of marketing for Warner-Lambert Ireland (WLI), examined two very different sales forecasts as he considered the upcoming launch of Niconil, scheduled for January 1990. Niconil...