11. Mr. Thomas of Wilmer Amina Carter High School (a large urban high school) wants to know what proportion of the student body favors banning plastic water bottles from the school buildings and grounds. A simple random sample of 152 students finds that 85 support banning plastic bottles. (a) Construct and interpret a 95% confidence interval for the proportion of all students at Wilmer Amina Carter High School who support banning plastic water bottles.

Q: A New York Times/CBS poll asked the question, "What do you think is the most important problem…

A: Given that p =0.24 E=0.027

Q: 6. If your boss in order to save money decreases the sample size, what will happen to the width of…

A: The width of the confidence interval is the difference of lower limit and upper limit of a…

Q: You read in a U.S. Census Bureau report that a 90% confidence interval for the median income in 2012…

A: It is given that 90% confidence interval for the median income in 2012 of American households was…

Q: 12. In a sample of 600 Canadians, 265 say they would rather retire in the US than in Canada.…

A:

Q: Suppose we want to estimate the proportion of teenagers (aged 13-18) who are lactose intolerant. If…

A: Given information Error = 4% = 0.04 Confidence level = 0.95

Q: 3) A corporation employs 148 sales representatives. A random sample of 60 of them was taken, and it…

A: The sample proportion is computed as follows,

Q: 4. 14 out of 20 voters in Pennsylvania reported having voted for an independent candidate. It is…

A: Critical Value: In a test of hypotheses, Critical Values are the cut-off values that provide the…

Q: An organization advocating for health care reform has estimated the average cost for health care of…

A: Given : sample mean, x̄ = 13000  Margin of error , E = 1000

Q: According to Scarborough Research, more than 85% of working adults commute by car. Of all U.S.…

A: Given that, According to Scarborough Research, more than 85% of working adults commute by car. Of…

Q: 2. A national health organization warns that 30% of the middle school students nationwide have been…

A: Given : n = 110 X = 21

Q: Suppose we want to estimate the proportion of teenagers (aged 13-18) who are lactose intolerant. If…

A: Given information Error = 2% = 0.02 Confidence level = 0.95

Q: The Marist Poll published a report stating that 66% of adults nationally think licensed drivers…

A: Given that, The Marist Poll published a report stating that 66% of adults nationally think licensed…

Q: Suppose we want to estimate the proportion of teenagers (aged 13-18) who are lactose intolerant. If…

A:

Q: 1. A consumer watch group interviewed a random sample of 1000 consumers and asked them if they are…

A: Here use confidence interval for population proportion

Q: An online grocery company is researching the best location to start their new delivery service. They…

A:

Q: 17. A researcher surveys 50 individuals in Smithville and 40 in Amherst, finding that 30% of…

A: Here we will use 2-tail test for Hypothesis testing. Given Values : Sample 1:n1 = 50p1 = 0.3Sample…

Q: A Florida newspaper reported on the topics that teenagers most want to discuss with their parents.…

A: Given that there are 533 teenagers and the percentage of more family discussions about school is 37%…

Q: 1. Suppose survey results say that 69% of the adult females from a sample taken in the United States…

A: Proportion (p) = 69 %  Margin of Error (E) = 3%  Alpha = 95%  FIRSTLY calculate the confidence…

Q: In September 2011, Gallup surveyed 1,004 American adults and asked them whether they blamed Barack…

A: It is given that sample size (n) is 1004 and p-hat value is 0.53.

Q: 11. A television station surveys 200 customers and finds that 23% of customers watch the evening…

A: Margin of error = z*√(pq/n) Where z= z value            n=no of customer            q=1-p…

Q: Suppose we want to estimate the proportion of teenagers (aged 13-18) who are lactose intolerant. If…

A: According to the provided information, The z score at 95% confidence interval from the standard…

Q: In the Framingham Offspring study 3630 subjects were on anti-hypertensive medication out of 4657…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: 1. The Hartford Insurance Company wants to estimate the percentage of drivers who change tapes or…

A: Please see the attachment..

Q: Mr. Thomas of Wilmer Amina Carter High School (a large urban high school) wants to know what…

A: given that,possible chances (x)=85size(n)=152success rate ( p )= x/n = 0.5592

Q: The following table shows the results of a survey in which 1017 adults from the United States, 1060…

A: (1)

Q: 6. A consumer watch group interviewed a random sample of 1,000 consumers and asked them if they are…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: Elly and Drew work together to collect data to estimate the percentage of their classmates who own a…

A: Given that Elly and Drew work together to collect the data to estimate the percentage of their…

Q: 1. The Marist Poll published a report stating that 66% of adults nationally think licensed drivers…

A:

Q: are the 95 percent confidence limits on the difference between the population means, where…

A: The data for listed from a before-and-after experimental design After Before 54 35 79 49…

Q: 2, A recent survey asked San Diego residents the following question: "If you had been aware that…

A:

Q: manager at ACME Equipment Sale and Rental wondered how offering a free two-year service warranty on…

A: a.  All necessary assumptions are met: The sampling method for each population is simple random…

Q: A Gallup poll asked a sample of Canadian adults if they thought the law should allow doctors to end…

A: (a) The sample proportion of Quebec adults who would allow doctor-assisted suicide is, The critical…

Q: 41. There is an ever increasing number of sources of getting the daily news – traditional…

A: Confidence intervals helps to find how much certain we can be with respect to a sampling method.

Q: 4. The manager of University Credit Union (UCU) would like to know what proportion of her customers…

A: According to the given information, we have Total number of customers = 400 Given that 271 of the…

Q: The true proportion of c.c. students in her state, that receive an AD, is contained in that specific…

A: It is given that the confidence interval in b is calculated correctly.

Q: A national health organization warns that 30% of the middle school students nationwide have been…

A: Given Data Sample Size, n = 110 Number of successes, x = 21

Q: 3. The article "Doctors Cite Burnout in Mistakes" (San Luis Obispo Tribune, March 5, 2002) reported…

A: Given: The sample number of medical residents are n=115. The number of medical residents who worked…

Q: 1. The results of the recent Psychometric test revealed a national passing rate of 66.67% in 2019.…

A: The confidence interval are measure that used to calculate the interval range within which the true…

Q: The table shows the results of a survey in which separate samples of 400 adults each from the East,…

A: Given : n = 400 p̂= 0.26

Q: How many subjects would be needed to ensure that a 95% confidence interval estimate of BMI had a…

A:

Q: Suppose you are designing a survey of firework plans among Kansas residents. You would like for the…

A: Here we need to find the required sample size with a 95% confidence level to estimate the number of…

Q: How many subjects would be needed to ensure that a 95% confidence interval estimate of BMI had a…

A: Given data set is28,21,37,38,24,28,38,47,27,32,36,43sample size(n)=12confidence level=95%Margin of…

Q: Suppose you want to construct an 80% confidence interval for the proportion of businesses that…

A: Given:Margin of Error (E)=3.5%=0.035   For Confidence level 80%, the significance level (α) is…

Q: 3: In a poll of 1000 likely voters, 560 say that the United States spends too little on fighting…

A:

Q: The Marist Poll published a report stating that 66% of adults nationally think licensed drivers…

A:

Q: 3. Michael wants to make a confidence interval estimate for the proportion of community members in…

A:

Q: Construct a 99% confidence interval for the true proportion of all car license applications that…

A: Given Information:x=25n=155c=99%=0.99

Q: If a retailer would like to estimate the proportion of their customers who bought an item after…

A: Solution: 3. From the given information, confidence level is 0.90 and E=0.03.

Q: 2) Suppose a college is planning to hold an event for students. In the survey of 130 on-campus…

A:

Q: In a study by Sallie Mae and Gallup, 323 of the 569respondents said that they paid for their…

A:

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.