A Harris Interactive poll reported that 32.4% of 275 randomly selected Americans living in the west stated that they attend church regularly. Whereas, 57.6% of 264 randomly selected Americans living in the south stated that they attend church regularly. Estimate, with 95% confidence, the difference in the proportion of Americans living in the west that attend church regularly and the proportion of Americans living in the south that attend church regularly. Express the estimate both symbolically and verbally

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A:

Q: Among college students, the proportion p who say they’re interested in their congressional…

A: Givensample size(n)=265x=216p^=xn=216265=0.815α=0.10

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Q: If we want to be within 0.02 of the true proportion of homes that have a direct television receiver…

A: The population proportion is 82%, the confidence level is 98% and estimate is within 0.02.…

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A: Given, The objective is to find the best point estimate of the proportion of households that have…

Q: In a study to estimate the proportion of smokers among the residents in a certain city and its…

A: To testH0:p1=p2H1:p1≠p2

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A: Solution Given out of 117 students drive their vehicles to school and 46 were taking on their…

Q: A study by Consumer Reports showed that 62% of supermarket shoppers believe supermarket brands to be…

A: Given information:The consumer reports showed that 62% of supermarket shoppers believe supermarket…

Q: es/CBS News poll sampled 523 adults who were planning a vacation during the next six months and…

A: We have 2015 as Population 1 and 2005 as Population 2. Then p1=Population proportion of Population…

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A: Given information- We have given that in a survey of 2310 adults in a certain large country aged 18…

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A: The degrees of freedom for treatment (k-1) is 3.

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Q: Is there evidence that the proportions of 14- to 18-yearold girls who have or have not gotten into…

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Q: In an October 2003 poll conducted by the Gallup organization, 684 of 1006 randomly selected adults…

A: Point estimate:The point estimate of population proportion is sample proportion.

Q: an you conclude that the percentage of people aged 18-29 who have a tattoo is less than 25%

A: Given : n=830 , X=166 , p0=0.25 , α=0.01 The estimate of the sample proportion is ,…

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A: Determine the number of treatment conditions that were compared in the study. The number of…

Q: A random sample of 1019 adults in a certain large country was asked​ "Do you pretty much think…

A: Givensample size(n)=1019no.of adults indicated that televisions are luxury(x)=518

Q: A, B, C

A: a.The two populations are ‘all the students who purchase lecture notes’ and ‘all the students who do…

Q: one city, 79.6% of the 8500 students surveyed said they eat at the school cafeteria. Find the 95%…

A: Given n=8500

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A: Given information- We have given a report from an independent- measures study. F(3, 48) = 2.95, p…

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A: a.) The following information has been given: Hypothesized population proportion is p=0.62. Null and…

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A: Obtain the value of the minimum number of surveyed people. The value of the minimum number of…

Q: In a​ poll, 69​% of the people polled answered yes to the question​ "Are you in favor of the death…

A: From the given question,69% of the people polled answered yes to the question.That means,…

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A: Given: Total number of students = 3500 Number of students included in the survey = 1050 Percentage…

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A: Population of a survey means the entire group on which we are taking survey. Sample is a specific…

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Q: according to the university of nevada center for logistics Management, 6% of all merchandise sold in…

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Q: A Gallup poll of 1001 Americans age 18 and over conducted in May of 2013 found that 80% of the…

A: Given,            a Gallup pool of 1001 Americans age 18 and over was conducted.     Again we know-…

Q: A professor found out from a senior professor that engineering students in Harp University tend to…

A: Given information: μ=1.50x¯=1.35s=0.50n=9α=0.10

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A: The sample proportion is, The null hypothesis is, The alternative hypothesis is, Significance…

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A: Proportion z_test: If the given sample size is more than 30 or Population standard deviation is…

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

A:

Q: In a poll, 51% of the people polled answered yes to the question "Are you in favor of the death…

A: Given that: p= the probability of getting a person who answered yes to the question "Are you in…

Q: Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 52% of the…

A: Givensample size(n)=100p^=0.47

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A: It is given that the number of women trust recommendations made on Pinterest (x1) is 117, number of…

Q: A statistics instructor believes that fewer than 20% of Evergreen Valley College (EVC) students…

A: From the given information, the claim of the problem is fewer than 20% of Evergreen Valley College…

Q: in a poll 51% of people polled answered yes to the question Are you in favor of the death penalty…

A: Given, p=0.51 M.E=0.02 α=1-0.94=0.06 As per z-distribution table, the critical value of z at 0.06…

Q: A Verizon researcher compared the number of text messages sent by a sample of teenage boys to the…

A: a) In this case, the Verizon researcher compared the number of text messages sent by a sample of…

Q: According to the GSS 2018 dataset, 51% of 218 college graduates reported being interested in…

A:

Q: A union’s executive conducted a survey of its members to determine what the members felt the…

A: Given that: Proportion of members who felt job security was an important issue:  PJob security=0.74…

Q: previous election, the confidence interval for the proportion of likely voters who would vote for…

A:

Q: (d) Use the combined data of 80 students, construct a 95% confidence interval estimate of the…

A: Given that  Total students=n=40+40=80 Number of pass students=X=28+32=60

Q: According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft,…

A:

Q: A Harris Interactive poll reported that 32.4% of 275 randomly selected Americans living in the west…

A:

Q: A random sample of 340 college students were asked if they believed that places could be haunted,…

A:

Q: A statistics student wants to conduct a study to determine the proportion of workers in Cititon who…

A:

Q: In a​ poll, 69​% of the people polled answered yes to the question​ "Are you in favor of the death…

A: Given: Margin of errorE=0.02 Proportion of people who polled yes p^=0.69 The z value corresponding…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.