Survey on Politics In a study, 68% of 903 randomly selected adults said they believe the Republicans favor the rich. If the margin of error was 2 percentage points, what was the confidence level used for the proportion? Round the intermediate calculations to four decimal places, round the z value to two decimal places, and round the final answer to the nearest whole number. The confidence level is

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

A: GIVEN DATA,  n=971x=554P^=Xn=554971=0.5705CI=0.99α=1-0.99=0.01we have to find out the confidence…

Q: The newspaper conducted a survey and asked some of the city's voters which candidate they preferred…

A: For the given confidence interval, the margin of error, E is:

Q: We surveyed 53 people in an attempt to determine the proportion of Americans who lease a vehicle. 13…

A: The proportion of sample Americans who lease a vehicle is, Thus, the proportion of sample Americans…

Q: A television station surveys 200 customers and finds that 23% of customers watch the evening news.…

A: Given data n=200 p=23% confidence level=99%

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

A:

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

A: Given information- We have given that among the 2000 respondents, 13% chose chocolate pie. So, the…

Q: Survey on Politics In a study, 68% of 902  randomly selected adults said they believe the…

A: Finding the value of level of significance through z value

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: In a study, 68% of 900 randomly selected adults said they believe the Republicans favor the rich. If…

A: Given that, P⏞=68%=0.681-P⏞=1-0.68=0.32n=900E=2%=0.02 Now,…

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

A:

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

A:

Q: Emma wants to estimate the percentage of people who use public transportation in a city. She surveys…

A: Obtain the margin of error. The margin of error is obtained below: The formula for the margin of…

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: 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: Survey on Politics In a study, 68% of 1009 randomly selected adults said they believe the…

A: The given margin of error is 3 percentage points, 68% of 1009 randomly selected adults said they…

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

A: Given Information :  A magazine provided results from a poll of 1000 adults who were asked to…

Q: A researcher wants to do a study to see what the proportion of vaccinated people is in a certain…

A:

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

A: Given Information: A magazine provided results from a poll of 2000 adults who were asked to identify…

Q: A newspaper reported on the topics that teenagers most want to discuss with their parents. The…

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.

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: Suppose you plan to conduct among 2,500 Grade 12 students enrolled in the stem Track. How many…

A:

Q: A poll of 1,200 voters asked what the most significant issue was in the upcoming election.…

A: we have given that  sample size = N=1200 , sample proportion =p^=65%=0.65

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

A: Given, The sample proportion is,

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 magazine provided results from a poll of 500 adults who were asked to identify their favorite pie.…

A: Given that among 500 respondent , 11% chose chocolate pie and the margin of error was given as 4…

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

A: Solution: The results from a poll of 2010 adults who are asked to identify their favorite pie

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

A: It is given that the sample size is 1000.

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: poll was conducted to determine why Americans decide not to go to college. Of the 335 Americans who…

A:

Q: When 370 junior college students were surveyed, 145 said they have a passport.  Construct a 95%…

A: Zcrit = 1.96

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

A: Given,sample size(n)=906no.of successes(x)=581sample…