A local brewery produces three premium lagers named Half Pint, XXX, and Dark Knight. Of its premium lagers, the brewery bottles 40% Half Pint, 40% XXX, and 20% Dark Knight. In a marketing test of a sample of 80 consumers, 26 preferred the Half Pint lager, 42 preferred the XXX lager, and 12 preferred the Dark Night lager. Using a chi-square goodness-of-fit test, test whether the production of the premium lagers matches these consumer preferences using a .05 level of significance. 19a. Step 2: Compute the df and locate the critical values. df = _______ Critical value = ________

Q: For observation study, determine whether cross-sectional, retrospective, or prospective is used.…

A: There are types of study, some of them are cross sectional, retrospective or prospective.…

Q: A survey shows that 3/5 Australian adults are overweight and 1/10 Australian adults are obese. What…

A:

Q: TV streaming subscription platforms have been taking over the entertainment industry. It is…

A:

Q: A regional government is interested in expanding the facilities of a day care center for mentally…

A: Given information: It is given that stratified sampling is used with people in the city using the…

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: What is the test statistic? Round your answer to three decimal places. Click…

A:

Q: In the nation of Gondor, the EPA requires that half the new cars sold will meet a certain…

A: The question is about hypothesis testing.Given :Population proportion of new car will meet a…

Q: A vaccine to prevent a severe virus was given to children within the first year of life as part of a…

A: a.It is given that x1=57, x2= 49, n1=3,294, n2= 1,648. .

Q: In a survey, 1000 respondents were asked about product preference. Of the interviewed, 65% favored a…

A:

Q: According to the U.S. government, it costs more to make a penny, $0.0241, than a penny’s value,…

A: In this case, each of the considered adult Americans has the response in terms of "suppose" (let's…

Q: What proportion of 20% defective shipments will be accepted?

A: Given : N=50 , n=5 , p=0.20 , M=N*p=50*0.2=10 Here , X​​​​​​​Hypergeometric (n=5,N=50,M=10) The…

Q: In a village actually invaded by anthrax, 65% of the gouts were attacked and 90% have been…

A:

Q: In a comparison taste test of two juice drink 780 people preferred Cranberry Blast.Only 220 people…

A: In a comparison taste test of two juice drink 780 people preferred Cranberry Blast.Only 220 people…

Q: If in a village actually involved by anthrax, 70 per cent of the goats are attacked and pei cent…

A:

Q: C1. A computer spam filter is 98% effective at sending spam emails to my junk folder, but will also…

A: Let A represents an event that an email is spam.B represents an event that an email that is not…

Q: A taste-testing survey of Zing Farms showed that 2/3 of the people surveyed preferred the taste of…

A:

Q: The Vegetarian Resource Group commissioned Harris Poll in 2016 to conduct a nationally…

A:

Q: A researcher conducted a paired samples study to investigate whether local car dealers tend to…

A: Given :

Q: Thirty-three percent of all Americans drink bottled water more than once a week (Natural resources…

A: Note: Hi there! Thank you for posting the question. Unfortunately in the sub-part(b), some required…

Q: Suppose 50% of all voters in a population support a politican, SHARE What is the zscore of sample…

A:

Q: Sherwin Williams sells paints in hardware stores across the U.S. The company maintains a large sales…

A: From the given information, the data values are

Q: On April 15th, 1912, the R.M.S. Titanic sank into the North Atlantic Ocean, resulting in the loss of…

A: The proportion of survivors by type of service is calculated as follows, 1. The proportion of…

Q: According to an article in Newsweek, the natural ratio of girls to boys is 100:105. In China, the…

A: It is been asked to test whether the percent of girls born in China is 46.7. The appropriate test to…

Q: a. Identify the population(s). of those who take the drug actually get headaches. 5% of those who…

A: It is given that a deug company that an allergy medication causes headaches in 5% of thise who take…

Q: Suppose you take a sample of 25 Reese's pieces. The proportion of orange is 0.4. What is the p-value…

A: Solution

Q: The workers at drug factory took a random sample of 800 drug tablets and found that 40 of them were…

A:

Q: 61.9% O 26.9% O 45.2%

A: Given, sample size(n)  = number of women in the study  = 650 175 out of 650 women said that they…

Q: A quality control marketing manager orders parts and the parts are shipped in lots of sizes 15. When…

A: From the given information, a lot contains size as 15 and the manager randomly inspects 4 parts from…

Q: In 2003 and 2017 a poll asked Democratic voters about their views on the FBI. In 2003, 45% thought…

A: Given :  p^1=0.45p^2=0.74n1=n2=n=1300The formula for confidence interval for the difference in the…

Q: Suppose 20% of cars are sportscars and that 30% of sportscars are red, and that 25% of all cars are…

A:

Q: A sobriety test is 96% accurate. Suppose 2500 drivers were pulled over on suspicion ofintoxication,…

A: Given that the sobriety test is 96% accurate, 2500 drivers were pulled over on suspicion of…

Q: In a random sample of 40 patients undergoing a standard surgical procedure, 14 needed pain…

A: Now use the Z-score for a 95% confidence level, which is approximately 1.96:CI = (p1 - p2) ± Z *…

Q: If we construct a 95% confidence interval estimate for the true proportion of all Minnesota school…

A: here given, n = 200 sample proportion  =20200 = 0.1 here for z-critical use excel command…

Q: expensive). The toy was priced the same at all retail stores. Compute the percentage of variance…

A:

Q: Suppose that in a survey of 1,000 U.S. residents, 721 residents believed that the amount of violent…

A: From the provided information, Number of residents = 1000 721 residents believed that the amount of…

Q: A drug company claims that an allergy medication causes headaches in 5% of those who take it. A…

A: Population: The set of all subjects of interest can be termed as population.

Q: Suppose that the proportion of high blood cholesterol level of U.S. children is known to be 0.78.…

A: Given  : Researchers have postulated that, due to differences in diet, Japanese children have a…

Q: A vaccine to prevent a severe virus was given to children within the first year of life as part of a…

A: There are two independent samples which are vaccine and placebo. We have to test whether the vaccine…