A magazine provided results from a poll of 1500 adults who were asked to identify their favorite pie. Among the 1500 ​respondents,13​% chose chocolate​ pie, and the margin of error was given as ±5 percentage points. What values do p​, q​, ​n, E, and p​ represent? If the confidence level is 90​%, what is the value of α​?

Q: The estimated prevalence is 25%, and the desired confidence level is 95% with a margin of error of…

A: Given: p=25%=0.25α=0.05ME=9%=0.09

Q: In order to construct the 95% confidence interval, you choose which formu x ±1.96 × n x + 1.984 × x…

A:

Q: What is the margin of error if we find a 95% confidence interval for the percentage of Corvettes on…

A:

Q: In a recent poll, 410 people were asked if they liked dogs, and 87% said they did. Find the margin…

A: From the Standard Normal Table, the z value for 99% is 2.576.

Q: In a recent poll, 360 people were asked if they liked dogs, and 74% said they did. Find the margin…

A: Critical value: The value of α is 0.10 for 90% confidence level. Using excel formula…

Q: A magazine provided results from a poll of 1000 adults who were asked to identify their favorite…

A:

Q: In a recent poll, 500 people were asked if they liked dogs, and 92% said they did. Find the margin…

A:

Q: In a recent poll, 300 people were asked if they liked dogs, and 89% said they did. Find the margin…

A: Solution: From the given information, p-hat=0.89 and n=300.

Q: If n = 190 and ˆpp^ = 0.74, construct a 95% confidence interval. Give your answers to three…

A:

Q: If n = 230 and X = 184, construct a 99% confidence interval for the population proportion, p.Give…

A: Given data n = 230 x = 184 sample proportion

Q: A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie.…

A: Solution

Q: A poll by Louis Harris and Associates took a random sample of 1249 adult Americans and asked whether…

A: Confidence interval is the interval to estimate the population unknown parameter. This confidence…

Q: In a recent poll, 240 people were asked if they liked dogs, and 46% said they did. Find the Margin…

A: Given that, Critical values: By using the standard normal table of Z, the critical value at 95%…

Q: In one city, 59.6% of the 1500 students surveyed said they eat at the school cafeteria. Find the 95%…

A: Given, Sample size=n=1500 p^=0.596 α=0.05

Q: In a​ poll, 6969​% of the people polled answered yes to the question​ "Are you in favor of the death…

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

Q: In a recent poll, 500 people were asked if they liked dogs, and 54% said they did. Find the margin…

A: Here we need to find the Margin of error corresponding to 95% confidence level.

Q: By means of a pilot survey, it is already known that the proportion of residents in opposition to…

A: Formula for sample size is,

Q: In your sample of 200 individuals, 10 people identified as bisexual. What is the true proportion of…

A:

Q: The confidence interval was (22, 26) What was the point estimate? What was the margin of error?

A: Given confidence interval was (22, 26)

Q: In a recent poll, 600 people were asked if they liked dogs, and 58% said they did. Find the margin…

A:

Q: If n = 530 and X = 424, construct a 99% confidence interval for the population proportion, p. Give…

A: Given that, n = 530 x = 424 Point estimate = sample proportion =  = x / n = 424 /530=0.8 1 -  =…

Q: In a recent poll, 260 people were asked if they liked dogs, and 80% said they did. Find the Margin…

A: Given:

Q: In a recent polI, 200 people were asked if they liked dogs, and 15% said they did. Find the margin…

A: From the provided information, Sample size (n) = 200 15% people said they like dogs that is p̂ =…

Q: In a recent poll, 560 people were asked if they liked dogs, and 32% said they did. Find the margin…

A: Margin of error (E): The margin of error for proportion p is given by,

Q: From a survey of 350 coworkers you find that 231 would like the company to provide on-site daycare.…

A: Given that,  Sample size is n= 350  And we find 231 would like the company to provide on-site…

Q: The 90% confidence interval for the population proportion p is (,) The 95% confidence interval for…

A: here n = 634 p^ = proportion of males gone to dentist pin past year = 390634 = 0.6151 z-critical for…

Q: In a recent poll, 260 people were asked if they liked dogs, and 32% said they did. Find the margin…

A: Find z-critical value:…

Q: If n=10, ¯x(x-bar)=38, and s=5, find the margin of error at a 80% confidence level Give your answer…

A:

Q: A magazine provided results from a poll of 1000 adults who were asked to identify their favorite…

A: Given: Number of adults = 1000 Percentage of people who chose chocolate = 13% Margin of error =…

Q: If n = 180 and X = 144, construct a 99% confidence interval for the population proportion, p. Give…

A:

Q: In a recent poll, 510 people were asked if they liked dogs, and 70% said they did. Find the Margin…

A: Find z-critical value:…

Q: In a recent poll, 170 people were asked if they liked dogs, and 24% said they did. Find the margin…

A:

Q: find the indicated z value of z α/2 that corresponds to the confidence level of 89.43%

A: Solution: From the given information, the confidence level is 89.43%. The critical value can be…

Q: If n = 220 and X = 176, construct a 95% confidence interval for the population proportion, p. Give…

A:

Q: If n = 440 and X = 352, construct a 90% confidence interval for the population proportion, p. Give…

A:

Q: A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie.…

A: From the given information, The percentage of chocolate pie is 14%. There are 500 respondents.…

Q: A confidence interval for a population proportion p is 0.635 to 0.700. What is the margin of error?

A: We have given that confidence interval for a population proportion p is 0.635 to 0.700.

Q: A magazine provided results from a poll of 1000 adults who were asked to identify their favorite…

A: There are 1000 respondents 12% chose chocolate pie, and the margin of error is ±4 percent. The value…

Q: The confidence interval was (64, 76) What was the point estimate? What was the margin of error?

A:

Q: A magazine provided results from a poll of 500 adults who were asked to identify their favorite…

A: It is given that the sample size is 500.

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

A: Given data n=1026 x=520 confidence interval=95%

Q: In a recent poll, 600 people were asked if they liked dogs, and 33% said they did. Find the Margin…

A: Margin of error (M.E.): The margin of error for proportion p is given by,

Q: A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie.…

A: Solution: Given information: n= 500 Sample size Here we need to interpret the meaning of each…

Q: A magazine provided results from a poll of 1000 adults who were asked to identity their favorite ple…

A: It is given that the sample size is 1000.

Q: A magazine provided results from a poll of 1500 adults who were asked to identify their favorite…

A: The probability of people choose chocolate pie is 0.13.

Q: In a recent poll, 500 people were asked if they liked dogs, and 94% said they did. Find the margin…

A:

Q: In a recent poll, 100 people were asked if they liked dogs, and 90% said they did. Find the margin…

A: Obtain the margin of error at the 95% confidence level. The margin of error is obtained below as…

Q: In a recent poll, 210 people were asked if they liked dogs, and 59% said they did. Find the margin…

A: Find z-critical value:…

Q: A magazine provided results from a poll of 1500 adults who were asked to identify their favorite…

A: We have to find out given answes ..

Q: A magazine provided results from a poll of 1000 adults who were asked to identify their favorite…

A: Given,sample size(n)=1000sample proportion(p)=0.14

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.