According to a Gallup poll taken on September 10th, 1998, 31% of a sample of adults thought that Clinton should be impeached. The Gallup web page said that the margin of error was 4 percentage points with 95% confidence. What was the sample size approximately? Choose the closest value. 1300 125 645 75

Q: In a recent poll, 360 people were asked if they liked dogs, and 92% said they did. Find the margin…

A:

Q: a recent poll, 550 people were asked if they liked dogs, and 44% said they did. Find the margin of…

A: We have given that  Sample size n= 550 Sample proportion p^= 0.44

Q: In a recent poll, 540 people were asked if they liked dogs, and 10% said they did. Find the margin…

A: We have to calculate 95% confidence level margin of error for single proportion.

Q: In a recent poll, 410 people were asked if they liked dogs, and 85% said they did. Find the margin…

A: Given that, p^=0.85n=410 Critical value: By using the z-tables, the critical value at 1% level of…

Q: In a recent poll, 470 people were asked if they liked dogs, and 94% said they did. Find the Margin…

A:

Q: In a recent poll, 450 people were asked if they liked dogs, and 48% said they did. Find the margin…

A: Total number of people = 450 Given that in a recent poll, 450 people were asked if they liked dogs,…

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: 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: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: In a recent poll, 260 people were asked if they liked dogs, and 13% said they did. Find the margin…

A:

Q: In a recent poll, 430 people were asked if they liked dogs, and 41% said they did. Find the margin…

A: It is given that the value of n is 430, p hat is 0.41 and the confidence level is 0.99.

Q: 1. On the first day of finals, 20 students at La Platta College were selected at random. They were…

A:

Q: In a recent poll, 130 people were asked if they liked dogs, and 24% said they did. Find the margin…

A: Given, Total number of people = 130 Probability that a person likes a dog = 0.24 z value at 99%…

Q: A polling agency wants to determine the percentage of voters in favor of extending tax cuts. They…

A:

Q: A research firm needs to estimate within 3% the proportion of junior executives leaving large…

A: From the given information , E = 3% = 0.03 = 0.41Confidence level , C = 0.95

Q: Find the number of respondents needed in a poll to determine, within 1.5% margin of error, the…

A: The answer is attached below,

Q: In a survey of 323 adults over 50, 60% said they were taking vitamin supplements. Find the margin of…

A:

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: A student polls his school to see if students in the school district are for or against the new…

A: From the provided information, Sample size (n) = 395 Out of which 210 are against the new…

Q: In a recent poll, 580 people were asked if they liked dogs, and 9% said they did. Find the margin of…

A: Given:n=580Where:E is the margin of error. is the z-score that corresponds to the desired confidence…

Q: In a recent poll, 150 people were asked if they liked dogs, and 88% said they did. Find the margin…

A: Given Sample size=n=150 Sample proportion=p^=0.88 Confidence interval=99%

Q: A polling agency wants to determine the percentage of voters in favour of extending tax cuts. they…

A: Given information- Margin of error, E = 2% = 0.02 Confidence level, c = 95% Since nothing is known…

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

A:

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

A:

Q: A Plitical pollster wants to know what proportion of voters think james burger should go away and…

A:

Q: In a recent poll, 490 people were asked if they liked dogs, and 5% said they did. Find the margin of…

A: given data n = 490p^ = 0.0590% ci, E = ?

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: From the provided information, Margin of error (E) = 7% that is 0.07 Confidence level = 98% Assuming…

Q: Use these results from a USA Today survey in which 510 people choseto respond to this question that…

A:

Q: In a recent poll, 240 people were asked if they liked dogs, and 32% said they did. Find the margin…

A: Find z-critical value:…

Q: A Polling agency wants to determine the percentage of waters in favour of extending tax cuts. they…

A:

Q: Based on the Nielsen ratings, the local CBS affiliate claims its 10 p.m Newscast reaches 54% of…

A: Answer: From the given data, Population proportion (P) = 54%                                      =…

Q: In a recent poll, 300 people were asked if they liked dogs, and 73% said they did. Find the margin…

A:

Q: n a recent poll, 330 people were asked if they liked dogs, and 30% said they did. Find the margin of…

A: given data, n=330p=0.30CI=0.99α=1-0.99=0.01ME=?

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: In a recent poll, 289 people were asked if they liked dogs, and 17% said they did. Find the margin…

A: Let X be the number of people who liked dogs Given: Number of people or sample size (n) = 289…

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: In a recent poll, 250 people were asked if they liked dogs, and 21% said they did. Find the margin…

A: Sample size=n=250P=21%=0.2195% of confidence interval is

Q: A newspaper reported the results of a political poll about which candidate likely voters preferred,…

A: Introduction: The 100 (1 – α) % confidence interval for the population proportion, p is: The margin…

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: Given observation Error = 10% = 0.1 Confidence level = 0.99

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: Given data,E=4%=0.04letp=0.5z value at 95% confidence is Zc=1.96n=?

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

A:

Q: In a recent poll, 530 people were asked if they liked dogs, and 95% said they did. Find the margin…

A: Given, n=530 p=0.95 Confidence level = 0.95 Critical value for 95% confidence level is 1.96.

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.