Many parents allow underage children to drink alcohol in limited situations when an adult is present to supervise. The idea is that teens will learn responsible drinkinghabits if they first experience alcohol in a controlled environment. Other parents take a strict no-drinking approach. Researchers surveyed a sample of 200 studentsaged 14 to 17, about their alcohol use and about alcohol related problems. Using a=0.05, answer the questionsNo Alcohol related ProblemsAlcohol Related ProblemsNot allowed to drink71980Allowed to drink8931|12016040N=200What is the alternative hypothesis? [ Select]What is the null hypothesis? [ Select]What inferential test is being conducted? [ Select]What is the obtained statistic? [ Select ]What determines the critical value? [ Select ]What is the critical value? [ Select ]What is the decision rule? [ Select]What is your decision? [ Select]What is your conclusion? [ Select ]

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Answered: Many parents allow underage children to…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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A government study found that people who eat chocolate frequently weighless than people who don’t. Researchers questioned 1000 individuals fromCalifornia between the ages of 20 and 85 about their eating habits, andmeasured their weight and height. On average, participants ate chocolatetwice a week and had a body mass index (BMI) of 28. There was anobserved difference of five to seven pounds in weight between those whoate chocolate five times a week and those who did not eat any chocolate atall, with the chocolate eaters weighing less on average. Frequent chocolateeaters also consumed more calories, on average, than people who consumedless chocolate. Based on this summary, would you recommend thatAmerican’s who do not presently eat chocolate, consider eating chocolateup to five times a week if they want to lose weight? Why or why not?Explain.
A traditional performance rating benchmark (or guideline) for “normal” effort, or speed, is dealing 52 cardsinto four piles, forming a square with each pile one footapart, in 0.50 minute. Conduct an experiment with one ormore fellow students in which one deals the cards andthe others rate the dealer’s performance, and then compare these subjective ratings with the actual time of thedealer.
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MCQ 7 A firm is considering whether to adjust the price it charges for units of output, but it first needs to know how the quantity of output sold and total revenue will be affected. The firm employs a statistician to examine the structure of demand and she estimates that the price elasticity of demand for the firm's product lies somewhere between - 0.25 and -0.75. If this estimate is correct, we can deduce that: A an increase in price will generate a reduction in the quantity of output sold and a fall in total revenue a reduction in price will generate an increase in the quantity of output sold and a rise in total revenue an increase in price will generate a reduction in the quantity of output sold, but the uncertainty connected with the estimate of price elasticity implies that it is C not possible to determine whether total revenue will rise or fall D a reduction in price will generate an increase in the quantity of output sold and a fall in total revenue E a reduction in price will…
6. Consider a project that would involve purchasing marginal farmland that would then be allowed to return to wetlands capable of supporting migrant birds. Researchers designed a survey to implement the dichotomous-choice method. They reported the following data: Stated Price (annual payment in dollars) Fraction of Respondents Accepting Stated Price (perecent) 96 5 89 10 80 15 64 20 46 25 30 30 18 35 10 40 4 45 2 50 What is the mean willingness to pay for the sampled population? 7
A company produce one type of a prefred car gearbox , In a point of production like 1000 gearbox, the company clasified as losing. In a second point of production like 6000 gearbox the company is profitable. Note: The BEP point for this product is located between the two points and is three times the quantity difference between the two points from the first point Find The BEP. According to our break even point study, is it possible to calculate the TFC, UVC, And P?
Rainbow Harbor Cruises charges $16/adult and $8/child for a round-trip ticket. The records show that, on a certain weekend, 900 took the cruise on Saturday and 1000 took the cruise on Sunday. The total receipts for Saturday were $12,800, and the total receipts for Sunday were $12,000. Determine how many adults and children took the cruise on Saturday and on Sunday. Saturday adults children Sunday adults children
An economist collects data regarding the number of jobs an individual has held by age 21. Tim states he had 4 jobs, Sam had 3, Jill had 3, Sally had 2, and Watney had 10.An economist should use the to draw conclusions. A typical individual had jobs by the age 21.
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16. A movie producer is bringing out a new movie, In order to map out his advertising, he wants to determine whether the movie will appeal most to a particular age group or whether it will appeal equally to all age groups. The producer takes a random sample from persons attending a pre-reviewing showing of the new movie and obtains the following result. Use x'-test to derive the conclusion, Age-groups Persons Under-20 20-39 40-59 60 and over Total Liked the movie 110 200 710 320 80 Disliked the movie 70 60 195 50 15 Indifferent 30 20 40 95 Total 400 100 200 300 1,000

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