One factor in determining the size of a sample is the degree of confidence selected. This is usually 0.95 or 0.99, but it may be any degree of confidence you wish to specify O True O False

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

A:

Q: Use the formula in this example to determine the sample size, n. The estimated prevalence is 16%,…

A: given data p^ = 0.1691% ci E = 0.04n = ?

Q: Eric is studying people's typing habits. He surveyed 525 people and asked whether they leave one…

A:

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

A: In this question, It has been given that Margin of error = 0.05 and level of significance = 0.005.…

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

A: It is given that, the number of respondents said yes (x) is 587 and the sample size (n) is 912.  The…

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

A: n = 990 and x = 564 who said "yes." Use a 99% confidence level  We have to find confidence interval…

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

A: p^=Xn X=593,n=1025 Zcritical=Zα/2=1.65 at α=0.10(1-α)% CI for p…

Q: Interval. A researcher wants to estimate the mean cholesterol level of people in his city. A random…

A: we have given that  n=21 , xbar=219  and margin of error =±12

Q: If you are building a 90%, 95%, and 99% confidence interval for the same statistics, which will be…

A: GivenBuilding 90% , 95% and 99% confidence interval for the same statistics

Q: In the days before any election, it is best to decrease the margin of error of a poll to have a…

A:

Q: In a recent poll, 260 people were asked if they liked dogs, and 67% said they did. Find the margin…

A: Given: p = 67%=0.67 n= 260 The value of z at a 90% confidence level is 1.645, which can be found by…

Q: A random sample of 2000 car owners in a particular city found 740 car owners who received a speeding…

A:

Q: An article a Florida newspaper reported on the topics that teenagers most want to discuss with their…

A: From the provided information, Sample size (n) = 502 37% would like to talk about school that is…

Q: The actual percentage of Americans who support same-sex relations is an example of a(n) a.…

A: Estimation is a process whereby we select a random sample from a population and use a sample…

Q: A magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

A: Given: A magazine provided results from a poll of 200 adults who were asked to identify their…

Q: Tom wants to estimate the percentage of students who live more than 3 miles from the school. He…

A: Confidence interval for population proportion at 95% level                       p^± Z0.95 p^q^n…

Q: Which of these statements correctly interprets what it means to be "95% confident"? Choose the…

A: It is an important part of statistics . It is widely used .

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

A: Givensample size(n)=940x=570

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: 2. A survey found that out of 900 workers, 150 said that they were interrupted by frank phone calls.…

A: In question, We have given the number of favorable cases 150 and sample size 900 then we'll find 95%…

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

A: From the provided information, Sample size (n) = 1005 From which 580 said "yes" that is x = 580