In 2002, the General Social Survey (which uses a method similar to simple random sampling) asked, "Have you experienced back pain in the past 12 months?" For this question, 506 people said that they had out of 1776 randomly selected people. What is the 99% confidence interval for the proportion of all Americans who have experienced back pain in the past 12 months?

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A: It is given that the total number of cell phone uses are 18%, thus the population proportion is…

Q: In a survey of 2279 ​adults, 729 say they believe in UFOs. Construct a 90% confidence…

A:

Q: In a Gallup poll of 804 randomly selected adults living in the 50 U.S. states and the District of…

A: Answer x =466n =804Confidence interval =95%

Q: In your work for a real estate company, you find that in a sample of 1762 home buyers, 722 found…

A: Given Data: x=722 n=1762   p^=7221762=0.4098

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A:

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the​…

A: Step 1: Step 2: Step 3: Step 4:

Q: When you construct a 95% confidence interval, what are you 95% confident about?

A: Confidence intervals: Confidence intervals are the limits for the point estimate of population…

Q: What is the purpose of finding a confidence interval for a proportion?

A: A true (or population) proportion (denoted as p), by definition, is essentially determined as the…

Q: A university dean is interested in determining the proportion of students who receive some sort of…

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Q: Public Policy Polling recently conducted a survey asking adults across the U.S. about music…

A: Given data  N = 571 X = 80 99% confidence interval

Q: In a survey of 2344 ​adults, 715 say they believe in

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Q: An accounting research firm asked 2100 accountants “Have you ever fudged the numbers before?” and…

A: The sample size is 2100 and 40% responded yes.

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In poll,…

A:

Q: In a survey of 1,200 social media users, 56% said it is not okay to be friends with your boss.…

A:

Q: The internal auditing staff of a local manufacturing company performs a sample audit each quarter to…

A:

Q: The General Social Survey (GSS) is a survey administered to a random sample of adult Americans by…

A: given data sample size (n) = 2500favorable outcomes (x) = 725p = proportion of customers that are…

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A: Given x=450 n=600

Q: According to a survey, 66% of all students in the U. S. own a laptop. For a simple random sample of…

A: It is given that, According to a survey, 66% of all students in the U. S. own a laptop i.e. the…

Q: In a survey of 1037 US adults ages 65 and over, 643 were concerned about getting the flu. A 99%…

A: Given,n=1037x=643p^=xnp^=6431037=0.6201-p^=1-0.620=0.380α=1-0.99=0.01α2=0.005Z0.005=2.58    (from…

Q: a survey of 1083 people, 585 answered "yes" to a particular question. Construct a 90% confidence…

A:

Q: At a large university in Conway, South Carolina, the Dean wants to know what proportion of students…

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A: Hern= 5000 P^ = 0.80 We have to construct 95% ci for p

Q: In your work for a real estate company, you find that in a sample of 1762 home buyers, 722 found…

A: Givenx=722n=1762p^=7221762p^=0.4098α=1-0.98=0.02α2=0.01zc=z0.01=2.3263         (from z-table)

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

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A: Given,n=4272X=897

Q: 1992, the women in two statistics classes for students in the liberal arts at a large northeastern…

A: In 1992, the women in two statistics classes for students in the liberal arts at a large…

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A: It is given that sample size (n) is 282 and x is 109.

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A:

Q: Find the point estimate of the percentage of men who have red/green color blindness. b. Find a 90%…

A: Given that sample size n = 80 Number of men who have red/green color blindness, X = 7 At 90%…

Q: The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to…

A: FOR ANY QUERIES, PING ME     HAPPY LEARNING

Q: 5-Seventy percent of 50 randomly selected students from college of science and engineering were…

A:

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll,…

A: Given , n = 1008 x = 598

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A: Given Information: Sample size n=2253 Sample proportion p^=0.19

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A: To find the percentage of females among the respondents, we need to calculate the ratio of the…

Q: in a recent poll, 220 people were asked if they liked dogs, and 36% said they did . find the margin…

A:

Q: You are trying to estimate the percent of people in California who have a college degree. You…

A: According to the given information in this question We need to identify that from the given…

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A: n = 800p^ = 0.1595% CI for p = ?

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A: Sample size(n)=2480sampl proportion(p^)=0.15Margin of error(E)=0.03

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A: Confidence Interval: The form of the confidence interval is, CI = Point estimate ± Margin of error…

Q: According to a report published by the Pew Research Center in February 2010, 61% of Millennials…

A: Given : Proportion of Millennials (people born between 1981 and 1996) think that their generation…

Q: Attitudes towards marriage. In a Time and CNN poll, 24% of 205 single women said they "definitely…

A:

Q: A television sports commentator wants to estimate the proportion of citizens who​ "follow…

A: Given Data: Margin of Error=0.22 p=0.54   z-value=1.96

Q: This problem concerns multiple comparisons. a. Give reasons for performing a multiple comparison. b.…

A: