I need this ASAP. The Harris Poll conducted a survey in which they asked, "Do you have any tattoos?" Of the 1461 malessurveyed, 210 responded that they have tattoos. Of the 1263 females surveyed, 165 responded that theyhave tattoos.a. Construct a 97% confidence interval for the difference between the proportions of males and femaleswho have tattoos. Round your answers to 3 decimals.Critical value: %* ort*(Enter the positive one.)Margin of Error: E =Confidence Interval: [=]b. Interpret your result in part (a) in a complete sentence.YesNoc. Based on your confidence interval, can you conclude that there is a difference between theproportions of males and females who have tattoos?

given data males : n1 = 1461 x1 = 210p^1 = x1n1 = 2101461 = 0.1437female : n2 = 1263 x2 =…

Answered: The Harris Poll conducted a survey in…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Please help with correct answers in details: Step by step. Last time i submitted i got wrong answers The product development group at Landon Corporation has been working on a new computer software product that has the potential to capture a large market share. Through outside sources, Landon's management learned that a competitor is working to introduce a similar product. As a result, Landon's top management increased its pressure on the product development group. The group's leader turned to PERT/CPM as an aid to scheduling the activities remaining before the new product can be brought to the market.
About 1/3 of Samuel’s paycheck goes to housing, 1/6 goes to utility bills, 1/8 goes for his car, and 1/5 goes for food. How much of his paycheck is left for entertainment?
Susan is a single mother with three children. She can earn $8 per hour and works up to 2,000 hours per year. However, if she does not earn any income at all, she will receive government benefits totaling $16,000 per year. For every $1 of income she earns, her level of government support will be reduced by $1. The table below is patterned after Table 15.8 from the text. Number of Work Hours Earnings from Work Government Benefits Total Income 2000 $16,000 $0 $16,000 1600 $12,800 1200 $9600 800 $6400 400 $3200 $12,800 $16,000 0 $0 $16,000 $16,000 Complete the table. Is this program an example of a poverty trap? Explain your answer. If this program is an example of a poverty trap, how can this program be altered to avoid this problem?
Brawdy Plastics, Inc., produces plastic seat belt retainers for General Motors at the Brawdy Plastics plant in Buffalo, New York. After final assembly and painting, the parts are placed on a comveyor belt that moves the parts past a final inspection station. How fast the parts move past the final inspection station depends upon the line speed of the conveyor belt (feet per minute). Although faster line speeds are desirable, management is concerned that increasing the line speed too much may not provide enough time for inspectors to identify which parts are actually defective. To test this theory, Brawdy Plastics conducted an experiment in which the same batch of parts, with a known number of defective parts, was inspected using a variety of line speeds. The following data were collected. Number of Line Speed Defective Parts Found 20 22 20 21 30 19 30 17 40 16 40 17 50 14 50 10 (a) Develop a scatter diagram with the line speed as the independent variable. * 25 25 25 25 20- 20 20 20 2…
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ou are thinking of making your home more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs and insulating part or all of your exterior walls. Each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.+ Your home has 40 light fittings and 1,300 square feet of uninsulated exterior wall. You can spend no more than $1,400 and would like to save as much per year in energy costs as possible. How many compact fluorescent light bulbs and how many square feet of insulation should you purchase? (If an answer does not exist, enter DNE.) compact fluorescent light bulbs
The River is a literary magazine published by the English Department at Tech. It has a 70-year history and enjoys an excellent reputation for providing a literary outlet for aspiring Appalachian writers in particular. However, its sales, mostly through independent bookstores and college libraries, have never been very large. Several years ago, the magazine’s advisory board decided to create a Web site and post the bi-monthly issues online for free access. Due to poor economic conditions and state budget cuts, Tech recently withdrew funding for the magazine, and in order to make up for this financial loss, the magazine’s staff has decided to try to sell advertising (especially to local and regional businesses) on the magazine’s Web site. In order to sell advertising, the magazine’s staff would like to be able to provide potential advertisers with a forecast of the number of “visits” the Web site might receive in future months. Following is the number of monthly visits the Web site has…
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The firm WebsAreUs creates and maintains Web sites for client companies. There are two types of Web sites: “Hot” sites change their layout frequently but keep their content for long times; “cool” sites keep their layout for a while but frequently change their content. Maintaining a hot site requires 1.5 hours of layout time and 2 hour for content changes. Maintaining a cool site requires 1 hour of layout time and 2 hr for content changes. Everyday WebsAreUs has 12 hrs available for layout changes and 16 hr for content changes on a hot site. Net profit is $50 for a set of changes on a hot site and $250 for a set of changes on a cool site. To maximize profit, how many of each type of site should WebsAreUs maintain daily? How, if at all, do the maximum profit and optimal policy change if the company must maintain at least two hot and 3 cool sites daily?
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You are the operator for a herbicides formulations plant. The specification for the herbicide that you are making is 30% active ingredient. The batch is currently at 26% active ingredient. The current batch weight is 8,400pounds. How much 50% concentrate material should you add to bring the batch up to the specification?
The number of collection vehicles a community would need for solid waste collection in a certain municipality is 6 trucks. Find a total number of services (customers) that are to be collected once per week during 4 working days. (Realistically, most trucks can service only about 200 to 300 customers before the truck is full and a trip to the landfill is necessary).

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