Nike would like to estimate the proportion of tennis players among students in OSU. Nike requires an estimate with a 95% confidence interval of ±0.02. What would be a conservative sample size to reach the required accuracy?

Q: The manufacturer of a new line of ink-jet printers would like to include as part of its advertising…

A: We have given data, 2698 2028 2474 2395 2372 2475 1927 3006 2334 2379

Q: Step 1 of 3 :  Find the point estimate that should be used in constructing the confidence interval.…

A: We need to construct the 80% confidence interval for the difference between the population means…

Q: Two random samples are taken, one from among UVA students and the other from among UNC students.…

A: From the provided information,Confidence level = 92.2%

Q: I want to create a 95% confidence interval for the average price of coffee in West Virginia. I have…

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Q: Intellectual development (Perry) scores were determined for 21 students in a first-year,…

A:

Q: f the population standard deviation of AAA batteries (with a polulation mean of 9 hours) is 0.5…

A:

Q: The quality control manager at a light bulb factory needs to estimate the mean life of a large…

A: Given data Sample size(n) = 49 Sample mean x̅  = 370 hours Population standard deviation = 77…

Q: An economist is trying to determine the average per capita income (in thousands of dollars) of the…

A: Given that the sample size is n = 26 Sample mean = 26 And the sample SD = 9.6 The critical value of…

Q: The administration at Pierce College conducted a survey to determine the proportion of students who…

A: The administration at Pierce College conducted a survey to determine the proportion of students who…

Q: - Find the critical value that should be used in constructing the confidence r: Construct the 98%…

A: For students, sample size n1 = 235, sample mean = 6.94 and population SD = 3.55 For faculty, sample…

Q: Call me: A sociologist wants to construct a 95% confidence interval for the proportion of children…

A: Given confidence level, C = 95% = 0.95 Level of significance, α = 1-0.95 = 0.05 Using formula,

Q: Odina wants to estimate the average number of patients admitted to the ICU daily across a large…

A: The objective of this question is to identify the appropriate distribution for constructing a…

Q: An epidemiologist wishes to know what proportion of adults living in a large metropolitan area have…

A: Margin of error =E =0.03 Population proportion p=0.20

Q: Step 2 of 3: Find the margin of error to be used in constructing the confidence interval. Round your…

A: Given: n1=13x¯1=180s1=20n2=6x¯2=197s2=11

Q: All residents of Homer Glen, IL (N = 21,000). You want to estimate the mean age of each population…

A: Sample size n=7595% confidence level.

Q: ind a 95% confidence interval for the difference between the two proportions.   b) Is there a…

A: Let p1 and p2 be the two population proportions of people who said that it is serious.Given…

Q: Among the 34,506 people who​ responded, 63​% answered​ "yes."   Use the sample data to construct a…

A: Given data: Total number of people who responded for the question presented by online site, n =…

Q: A state legislator wants to determine whether his voters' performance rating (0-100) has changed…

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Q: The makers of a soft drink want to identify the average age of its consumers. A sample of 25…

A: From the provided information,

Q: Part d. Please show TI 84 steps.

A: The provided information are ;p= 0.50.n = 40x = 0.50(40) = 20Confidence level = 0.99

Q: B. Construct a 95% confidence interval estimate of 4-4, the difference between the mean weight of…

A: Given Information: B) 95% confidence interval estimate of difference between the mean weight of…

Q: A poll conducted in 2013 found that 52% of U.S. adult Twitter users get at least some news on…

A:

Q: process control engineer wishes to estimate the true proportion of defective computer chips by using…

A: GivenThe true proportion p=0.01Let the sample size be n.The Z critical value for 90% confidence…

Q: 10. You want to estimate the proportion of all college students who traveled during spring break.…

A: Let X be the number of students reported travelling during spring break and n be the sample size.…

Q: If a sample proportion is 0.58, which of the following could be a 90% confidence interval for the…

A: Given : sample proportion , p̂ = 0.58

Q: confidence interval

A: Ho ; p=0.783 H1 : p=/ 0.783

Q: We have conducted a one sided hypothesis test with a significance level α = 0.01. We would like to…

A: Given :  We have conducted a one sided hypothesis test with a significance level α = 0.01

Q: The proportion of people changing residence in the USA each year is 0.165. A researcher believes…

A: Given: n=50 p0=0.165p⏜=0.24α=0.05

Q: If is a sample that is used to estimate a population proportion p. What is the 99% confidence…

A: Given  Sample size n=112 and proportion of success p= 0.598

Q: Suppose you would like to conduct a survey to determine the yearly consumption of beef by a typical…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: In order to estimate the percentage of adults who file their taxes at least two weeks before the…

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Q: Q.No.3.   A cigarette manufacturer claims that his cigarettes have an average nicotine content of…

A: Given 2 1.7 2.1 1.9 2.2 2.1 2 2 1.7 2.1 1.9 2.2 2.1 2 1.6 Sample…

Q: place. Answer: Lower endpoint: Upper endpoint: 41. Given two independent random samples with the…

A: