Please no written by hand solutions 70 Australian households were randomly selected and surveyed. 45 of these households owned a pet. Calculate a 95% confidence interval to estimate the proportion of Australian households that own a pet. Select one: a. (0.5306, 0.7551) b. (0.6364, 0.6493) c. none of these options d. (0.5283, 0.7574) e. (0.4930, 0.5070)

Please no written by hand solutions 70 Australian households were randomly selected and surveyed. 45 of these households owned a pet. Calculate a 95% confidence interval to estimate the proportion of Australian households that own a pet. Select one: a. (0.5306, 0.7551) b. (0.6364, 0.6493) c. none of these options d. (0.5283, 0.7574) e. (0.4930, 0.5070)

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 random sample of 200 people, 154 said that they watched educational television. Find the 90% confidence interval of the population proportion of people who watched educational television.
Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the confidence level. Round the margin of error to four decimal places
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= 1004 and x = 575 who said "yes." Use a 90% confidence level. E Click the icon to view a table of z scores. .... a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.)
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=914 and x = 556 who said "yes." Use a 95% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. 0.608 (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.)
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=961 and x = 600 who said "yes." Use a 99% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval.
We randomly sample 218 individuals and find that 97 have a college degree. a.)Construct a 95% confidence interval. b.) Describe our interpretation of the confidence level.
Researchers studied the mean egg length (in millimeters) for a bird population. After taking a random sample of eggs, they obtained a 95% confidence interval of (45,60). What is the value of the margin of error? Choose the correct answer below. A. 15 mm B. 52.5 mm O c. 7.5 mm O D. 1.96
Four students are instructed to calculate a confidence interval based on the same sample mean (xbar: 0.76) and the same sample standard deviation s. However, each student is given a different sample size and confidence level. The following are the intervals obtained by the four students. Which of the following must be incorrect? A. (0.09, 1.43) B. (-1.11, 2.89) C. (-0.57, 2.09) D. (-2.22, 3.74)
The owner of the west end Kwick fill gas station wishes to determine the proportion of customers who pay at the pump using credit card or debit card. He surveys 100 customers and finds that 85 pay at the pump. (Round your answers to 3 decimal places.) a. Estimate the value of the population proportion: b. Develop a 95% confidence interval for the population proportion.
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= 1003 and x= 574 who said "yes." Use a 99 % confidence level. A. Find the best point estimate of the population proportion. ( Round to three decimal places as needed. ) B. Identify the value of the margin of error E. (Round to three decimal places as needed) C. Construct a confidence interval.(Round to three decimal places as needed)
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=972 and x = 577 who said "yes." Use a 99% confidence level. Click the icon to view a table of z scores. 0.594 (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E = 0.041 (Round to three decimal places as needed.) c) Construct the confidence interval.
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. O D. There is 86.7% to 93.3% confidence that 23% of the adult citizens of the nation dreaded Valentine's Day.