In a recent poll, 450 people were asked if they liked dogs, and 65% said they did. Find the Margin of Error for this poll, at the 90% confidence level. Give your answer to four decimal places if possible. Submit Question

Q: and ˆpp^ (p-hat) =0.52, find the margin of error at a 99% confidence level Give your answer to…

A: The margin of error can be calculated as: MOE=z×p^(1-p^)n

Q: Use the confidence interval to find the margin of error and the sample mean. (1.52,2.06)

A: Given: Confidence interval is (1.52, 2.06) To determine: The margin error and The sample mean.…

Q: Use the confidence interval to find the margin of error and the sample mean. (1.71, 1.99)

A: Solution:  Given data: confidence Interval = (1.71, 1.99) To find: 1.Margin of error 2. Sample mean…

Q: Out of 100 people sampled, 16 have tried marijuana. Based on this, construct a 95% confidence…

A: Obtain the 95% confidence interval for the true population proportion of people who have tried…

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

A: Given that : n = 1072 x = 537 (a) to find the best point estimate of the population proportion p. P^…

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

A: Given, Sample size = 31 Sample mean = 35 Sample standard deviation = 10   Degrees of Freedom:

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

A: Given information: x=586 n=1006

Q: A poll of 350 people is taken and the confidence level is 90%. What is the margin of error (MOE)?…

A:

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=25, (x-bar)=49, and s=6, find the margin of error at a 90% confidence level Give your answer to…

A: From provided information, n=25, x̅=49 s=6 Confidence level is 90% i.e. (1-α) =0.9

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: Suppose a simple random sample of 700 was taken from a large population. The sample had 32%…

A: Note:Hey, since there are multiple sub-parts question posted, we will answer first three sub-parts.…

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: 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: If n=490 and ˆpp^ (p-hat) =0.4, find the margin of error at a 90% confidence level Give your answer…

A: Given that, n = 490 p^=0.4 90% confidence level

Q: In a recent poll, 240 people were asked if they liked dogs, and 69% said they did. Find the margin…

A: Given,sample size(n)=240sample proportion(p^)=0.69α=1-0.90=0.1α2=0.05Z0.05=1.645    (from Z-table)

Q: Construct a 99% confidence interval for the proportion of those aged 65 and over who have sleep…

A: Given

Q: Complete the statement by filling in the blank. When constructing a confidence interval for a…

A: We want to tell you which one is the correct choice.

Q: Do People Think the Sun Goes around the Earth? In the 2018 General Social Survey, people were asked…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: Use the confidence interval to find the margin of error and the sample mean.   (1.51,1.97)   Margin…

A: Given confidence interval is (1.51 , 1.97)

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

A: Given: Margin of error = 3% At 95% confidence level, the size of sample as to be calculated for the…

Q: If n=12, (x-bar)%=D34, and s-8, find the margin of error at a 98% confidence level Give your answer…

A:

Q: If n=400 and p (p-hat) =0.93, find the margin of error at a 99% confidence level Give your answer to…

A:

Q: answer

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

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

A:

Q: If n=570 and ˆpp^ (p-hat) =0.51, find the margin of error at a 95% confidence level Give your…

A: n = 570 p^=0.51 95% confidence level

Q: If n=510 and p (p-hat) =0.47, find the margin of error at a 90% confidence level Give your answer as…

A:

Q: Use the confidence interval to find the margin of error and the sample mean. (1.59,1.89)

A: Given data,Lower limit=1.59Upper limit=1.89Margin of error=?

Q: Use the given confidence interval to find the margin of error and the sample mean. (71.7, 87.3)

A:

Q: If n=440 andp (p-hat) =0.57, find the margin of error at a 99% confidence level Give your answer to…

A:

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: In a survey conducted by CNN, 130 of the 250 people that were randomly surveyed have a savings…

A: Given data, n=250 x=130 Sample proportion p=x/n =130/250=0.52 z-value at 90% confidence is Zc=1.645

Q: If about 75% of the students of a certain university are expected to use a laptop for online…

A: Given,sample proportion (p^)=0.75margin of error(E)=0.05α=1-0.99=0.01α2=0.005Z0.005=2.5758…

Q: If n=490 and ˆpp^ (p-hat) =0.54, find the margin of error at a 90% confidence level Give your…

A:

Q: 3. Aresearcher wants to estimate the daily expenses of college students. He wants a 99% confidence…

A:

Q: find the margin of error at a 90% confidence level

A: Given : n=330 , p-hat=0.28  , α=0.10 We want to find the margin of error at a 90% confidence level.

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

A: Given: n= 947 ,x= 580 At 99.0 % confidence level , z score= 2.576 Need to find confidence interval…

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

A: From the provided information, n = 1028 and x = 594 The proportion can be obtained as:

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

A:

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

A:

Q: Using your answers to parts (a) and (b), find a 95% confidence interval estimating the proportion of…

A: Here we need to construct a 95% confidence interval.

Q: If n=480 and p^ (p-hat) =0.45, find the margin of error at a 90% confidence level Give your answer…

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: Find the margin of error for the given confidence level and values of x and n. x = 111, n = 194,…

A:

Q: ind the point estimate, the standard error, and the margin of error for the given confidence levels…

A: The provided information is  n=80 x=29 C=0.92 α=0.08   The critical value is  zc= ±1.7507 (from…

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

A: here use given data table

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

A: Given, The sample proportion is,

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Answer: