A poll of 350 people is taken and the confidence level is 90%. What is the margin of error (MOE)? Round your answer to one decimal place.

Q: If n=19, x¯(x-bar)=50, and s=2, find the margin of error at a 80% confidence level Give your answer…

A: x¯ = 50n = 9s = 280% confidence level

Q: 2. Given: n=80, a = 15, level of confidence is 92%. What is the margin of error of the given data?

A:

Q: Find the margin of error E that corresponds to the given statistics and confidence level.…

A: From the provided information, Confidence level = 98% Sample size (n) = 900 Success (p̂) = 0.40

Q: If n=21, I(x-bar)-40, and s=5, find the margin of error at a 80% confidence level Give your answer…

A: Given that : n = 21 x̅ = 40 s = 5 r = 80% Formula : Margin of error = tα [s / √(n)]

Q: If n=23, ¯x(x-bar)=47, and s=2, find the margin of error at a 90% confidence level Give your answer…

A:

Q: If n=16, x(x-bar)=43, and s=9, find the margin of error at a 99% confidence level Give your answer…

A: The random variable X follows normal distribution. The sample size is 16. The sample mean is 43. The…

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

A:

Q: If n = 590 and ˆp=0.48, find the margin of error at a 99% confidence level E=

A: If n = 590 and ˆp=0.48, find the margin of error at a 99% confidence level

Q: If n=11, ¯x(x-bar)=35, and s=8, find the margin of error at a 90% confidence level Give your answer…

A: Given that,  n=11, x-bar=35, and s=8, Confidence level is 90%

Q: If n=13, x(x-bar)=30, and s=9, find the margin of error at a 99% confidence level Give your answer…

A: Given,n=13x=30s=9α=1-0.99=0.01α2=0.005degrees of freedom(df)=n-1=13-1=12t0.005(12)=3.055

Q: If n=24, x(x-bar)=33, and s=3, find the margin of error at a 90% confidence level Give your answer…

A: It is given that standard deviation (s) is 3 and sample size (n) is 24.

Q: If n=29, a (x-bar)=49, and s=3, find the margin of error at a 80% confidence level Give your answer…

A: We have given that,  Sample size (n) = 29, sample mean (x̄) = 49 and sample standard deviation (s) =…

Q: If n=28, ā(x-bar)=39, and s=3, find the margin of error at a 80% confidence level Give your answer…

A: Since population standard deviation is unknown, Use t-distribution to find t-critical value. Find…

Q: In a survey, the planning value for the population proportion is . How large a sample should be…

A: Let, Proportion =p Margin of error=E CI is =Zc n=?

Q: ccording to the data, calculate a 90% confidence interval for the sample mean. What was the T Score…

A: Solution: n= 30 Sample size ∑xi=642 x=∑xin=64230=21.4 Sample mean s2=∑(xi-x)2n-1=56.52414 Sample…

Q: A poll asked 800 people their choice for mayor. What is the approximate margin of error for a 95%…

A: Given: P=0.5 q=0.5 z-critical value for 95% confidence interval is 1.96. The approximate margin of…

Q: find the margin of error at a 95% confidence level

A: Formula for margin of error is,

Q: If n=20, (x-bar)=44, and s=9, find the margin of error at a 98% confidence level Give your answer to…

A:

Q: x=111, n=194, Confidence level = 99%

A: The sample proportion of p is, p^=xn=111194=0.5722 Computation of critical value:…

Q: If n=23, ¯x (x-bar)=38, and s=5, find the margin of error at a 99% confidence level

A: The degrees of freedom is obtained as follows:

Q: If n=18, (x-bar)=38, and s=2, find the margin of error at a 95% confidence level Give your answer to…

A: Sol: According to the guidelines if there are multiple questions asked one question should be…

Q: If n=11, ¯x(x-bar)=43, and s=10, find the margin of error at a 99% confidence level Give your…

A: Given that  n=11, ¯x=43 and s=10,

Q: If n=13, ¯x(x-bar)=41, and s=5, find the margin of error at a 80% confidence level Give your answer…

A:

Q: Using 95% confidence, suppose 64 out of 320 people received fruit in addition to candy. Which of the…

A: AS PER POLICY I HAVE CALULTAED FIRST MAIN QUESTION  here given , p^ = sample proportion of people…

Q: If n=19, (x-bar)=39, and s=8, find the margin of error at a 80% confidence level Give your answer…

A: We have given that,  Sample size (n) = 19 and sample mean (X-bar) = 39 and sample standard deviation…

Q: You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You…

A:

Q: answer

A: Given: Population proportion, p = 0.25 Margin of error, E = 0.06 Confidence interval = 95% Then, by…

Q: If n=14, (x-bar)-33, and s=9, find the margin of error at a 98% confidence level Give your answer to…

A: We have given that, Sample mean (x̄) = 33, standard deviation (s)= 9 and sample size (n) = 14  Then,…

Q: If n=26, ē(x-bar)=31, and s=4, find the margin of error at a 90% confidence level Give your answer…

A:

Q: 1. Given: n=130, a = 25, level of confidence is 90%. What is the margin of error of the given data?

A: The sample size is given as 130, n=130 The standard deviation is given as 25, σ=25 The Confidence…

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: 19) A political survey had a margin of error of 4.25%. If the surveyor used a 90% confidence level…

A: Assume p-hat as 0.5, since no preliminary estimate is available.

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 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: Find the sample size need to find the Population Proportion if the margin of error is 4%, the…

A:

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: Find the confidence level and α for a. a 90% confidence interval. b. a 99% confidence interval.

A:

Q: If n=15, (x-bar)=37, and s=8, find the margin of error at a 80% confidence level Give your answer to…

A:

Q: If n=31, (x-bar)=35, and s=10, find the margin of error at a 99% confidence level Give your answer…

A: Given information n = 31 x-bar = 35 s = 10 confidence level = 0.99 α = 1 – 0.99 = 0.01

Q: If n=13, x(x-bar)=31, and s=4, find the margin of error at a 95% confidence level   Give your…

A: n = 13 Mean = 31 Sample standard deviation = 4 95% confidence level

Q: If n=23, x(x-bar)=47, and s=3, find the margin of error at a 98% confidence level Give your answer…

A: Margin error is the difference between the estimated value and the original value. Here the critical…

Q: If n=12, x¯(x-bar)=47, and s=3, find the margin of error at a 80% confidence level

A: Margin of error (E): The margin of error for sample mean is given by,

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: 1(b). At 99% confidence, what is the margin of error?

A: here use given data table

Q: If n=17, (x-bar)=44, and s=8, find the margin of error at a 95% confidence level

A: The sample mean is 44 and standard deviation is 8.

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

A: Given, The sample proportion is,

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

A:

Q: Out of 300 people sampled, 78 had kids. Based on this, construct a 99% confidence interval for the…

A:

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.