A national survey of 1500 adult citizens of a nation found that 23% dreaded Valentine’s Day. The margin of error for the survey was 3.3 percentage points with 90% confidence. Explain what this means.Which statement below is the best explanation?- A. There is 90% confidence that 23% of the adult citizens of the nation dreaded Valentine’s Day.- B. In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine’s Day is between 0.197 and 0.263.- C. There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine’s Day is between 0.197 and 0.263.- D. There is 86.7% to 93.3% confidence that 23% of the adult citizens of the nation dreaded Valentine’s Day.

Given that 23% dreaded Valentine’s Day in a sample of 1500 adult citizens and the margin of error…

A national survey of 1500 adult citizens of a nation found that 23% dreaded Valentine's Day. The margin of error for the survey was 3.3 percentage points with 90% confidence. Explain what this means. Which statement below is the best explanation? O A. There is 90% confidence that 23% of the adult citizens of the nation dreaded Valentine's Day. O B. In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine's Day is between 0.197 and 0.263. OC. There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.197 and 0.263. O D. There is 86.7% to 93.3% confidence that 23% of the adult citizens of the nation dreaded Valentine's Day.

A national survey of 1500 adult citizens of a nation found that 23% dreaded Valentine's Day. The margin of error for the survey was 3.3 percentage points with 90% confidence. Explain what this means. Which statement below is the best explanation? O A. There is 90% confidence that 23% of the adult citizens of the nation dreaded Valentine's Day. O B. In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine's Day is between 0.197 and 0.263. OC. There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.197 and 0.263. O D. There is 86.7% to 93.3% confidence that 23% of the adult citizens of the nation dreaded Valentine's Day.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

In a recent poll, 170 people were asked if they liked dogs, and 24% said they did. Find the margin of error of this poll, at the 95% confidence level. Give your answer to three decimals
In a 2008 survey, people were asked their opinions on astrology - whether it was very scientific, somewhat scientific, or not at all scientific. Of 1439 who responded, 76 said astrology was very scientific. a. Find the proportion of people in the survey who believe astrology is very scientific. b. Find a 95% confidence interval for the population proportion with this belief. c. Suppose a TV news anchor said that 5% of people in the general population think astrology is very scientific. Would you say that is plausible? Explain your answer.
Use the sample data in Example #1 (picture) and a technology tool to construct 75%, 85%, and 99% confidence intervals for the mean number of friends for all users of the website. How does the width of the confidence interval change as the level of confidence increases? a. Enter the data.b. Use the appropriate command to construct each confidence interval.c. Compare the widths of the confidence intervals for c = 0.75, 0.85, and 0.99.
a magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. among the 2000 respondents, 11% chose chocolate pie, and the margin of error was given as 3 percentage points. what values do p, q, n, e and p represent? if the confidence level is 90% what value is a?
In a recent poll, 530 people were asked if they liked dogs, and 95% said they did. Find the margin of error of this poll, at the 95% confidence level.Give your answer to three decimals
In a recent poll, 250 people were asked if they liked dogs, and 52% said they did. Find the margin of error of this poll, at the 90% confidence level.Give your answer to three decimals
A national survey of 2500 adult citizens of a nation found that 21% dreaded Valentine's Day. The margin of error for the survey was 4.4 percentage points with 90% confidence. Explain what this means. Which statement below is the best explanation? G O A. There is 90% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day. O B. In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine's Day is between 0.166 and 0.254. O C. There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.166 and 0.254. O D. There is 85.6% to 94.4% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day.
Help, Please!
At one large college, 1867 out of the 2500 students surveyed said they plan to take another science class.Find the 95% confidence interval for the proportion of students that said they plan to take another science class. ? % to ? %
Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=931 and x=548 who said "yes." Use a 99% confidence level. LOADING... Click the icon to view a table of z scores. b) Identify the value of the margin of error E.
According to DATAUSA, the homeownership rate in Wilmington, DE is 60%. A random sample of 25 residents in Wilmington, DE was selected. The standard error of the proportion is ________.
b. In the year 2000, a survey of 1171 U.S. adults were asked who they felt was the greatest President. Of those surveyed, 397 reported that Abraham Lincoln was the greatest President. Use this data to construct a 99% confidence interval for the population proportion of all U.S. adults who would say that Abraham Lincoln was the greatest president before the year 2000. Answer using decimals and round to four decimal places