A pollster wishes to estimate, with 90% confidence, the proportion of people who believe the United States should pursue a more aggresive foreign policy. Find the minimum sample size necessary to achieve a margin of error of less than 2%. Assuming no previous estimates are available. Round your answer up to the next integer. Assuming a previous estimate of 0.25. Round your answer up to the next integer.

Q: A pollster wishes to estimate, with 99% confidence, the proportion of people who believe that recent…

A: Given data, E=2%=0.02 z-value at 99% confidence is Zc=2.576

Q: A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: You wish to estimate, with 99% confidence, the proportion of all US adults who want more funding for…

A: Given data, E=4%=0.04 z-value at 99% confidence is Zc=2.576

Q: The estimate is: _________ give or take___________ Fill in the blanks with the given options

A: Given that,

Q: Estimate the mean of systematic sampling.

A: Answer: Estimation of the mean of systematic sampling:

Q: a. We should expect a sample proportion of%. (Type an integer or a decimal. Do not round.) b. The…

A: here as per guidelines i have calculated 3 subparts repost for remaining with note i need this…

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: Hi, can you give me a problem that has two tailed test - accept and its parameter is proportion.…

A:

Q: Some states now allow online gambling. As a marketing manager for a​ casino, you need to determine…

A: Given Data : Margin of error: ME = 0.02 sample proportion: p̂ = 0.5…

Q: Calculate the mean for the list of sample values below. Round your answer to one decimal place, if…

A:

Q: . Fear of the dark is quite common among children. However, what about adults? One polling agency…

A:

Q: You are the operations manager for an airline, and you are considering a higher fare level for…

A: formula for the sample size needed to estimate a population proportion is

Q: Suppose 55% of people in Georgia support a special transportation tax. Alejandro is not confident…

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION  HERE GIVEN Suppose 55% of people in…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: From the provided information, Margin of error (E) = 0.03 Confidence level = 95%

Q: You wish to estimate, with a 99% confidence, the population proportion (p) of U.S adults who made…

A: Given: Margin of error (E)=0.042Confidence level (c)=0.99α=1-c   =1-0.99    =0.01Area=1-α2…

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

A:

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A:

Q: Suppose 55% of people in Georgia support a special transportation tax. Alejandro is not confident…

A: Given data, p=55%=0.55 To investigate the claim, he surveys 150 people in his community and…

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 pollster wishes to estimate, with 99% confidence, the proportion of people who believe that recent…

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

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

A:

Q: The Google Play app store for smartphones offers hundreds of games to download for free or for a…

A: Standard error is calculated by dividing the standard deviation and the sample size. It is denoted…

Q: What is an outlier?

A: We have to describe the outlier. Outlier can be present in any dataset.

Q: A Seattle consumer agency believes that plumbers' rates are too high and wants to estimate the mean…

A: Answer  Given  Confidence interval = 95%  alpha = 1- 0.95 = 0.05 Margin of error =[E] = 3%…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A:

Q: You want to estimate the percentage of adults who believe that passwords should be replaced with…

A: a. Suppose p is the true proportion of adults who believe that passwords should be replaced with…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A:

Q: Calculate the median for the list of sample values below. Round your answer to one decimal place, if…

A:

Q: Researchers at a drug company are testing the duration of a new pain reliever. The drug is normally…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A: Given Information Error = 0.05 Confidence level = 0.95

Q: Consider the sample 13, 19, 18, 20, 16, 9, 10, 7, and 8. Find the mean? Show the solution and write…

A: Given that  The data are X : 13, 19, 18, 20, 16, 9, 10, 7, 8.

Q: According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes…

A: (3) Determine whether the normal approximation can be used with the given distribution or not?…

Q: Honors a. Find the volume of the pyramid. b. Explain how the volume of the pyramid would change if…

A: a. The volume of the pyramid. [ height = 24, Base =20]b. Explain how the volume of the pyramid would…

Q: oward revisions in the health care system. The president wants the estimate to be within 0.02 of the…

A: The  population proportion (p) of people that supports  health care revisions is given as 0.61.  The…

Q: programmer plans to develop a new software system. In planning for the operating system that he…

A: (a) Given that , The confidence level is, C = 95% = 95/100= 0.95 The level of significance is, α =…

Q: A pollster wishes to estimate, with 99% confidence, the proportion of people who approve of how…

A: From the provided information, Confidence level = 99% Margin of error = 0.03

Q: A pollster wishes to estimate, with 99% confidence, the proportion of people who believe that rece…

A: It is given that margin of error (E) is 0.01 and the confidence level is 99%.

Q: programmer plans to develop a new software system. In planning for the operating system that he will…

A: From the given information, confidence level 1-α=0.90 ,  margin of error is maximum 1% i.e.…

Q: Suppose the President wants an estimate of the proportion of the population that support his current…

A: Given dataError = 4% = 0.04Confidence level = 0.95Significance level = α=1-0.95=0.05

Q: A programmer plans to develop a new software system.  In planning for the operating system that he…

A: From the provided information, Margin of error (E) = 1% or 0.01 Confidence level = 90%

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.