Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p. n equals 500 comma x equals 300 comma 90 % confidence nothingless thanpless than nothing (Round to three decimal places as needed.)
Use the sample data and confidence level to construct the confidence interval estimate of the population...
Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they acted to annoy a bad driver. In the poll, n equals 2536 comma and x equals 928 who said that they honked. Use a 99 % confidence level. a) Find the best point estimate of the population proportion p. .404 . 404 (Round to three decimal places as needed.) b) Identify the value of the margin of...
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 equals 1099 and x equals 578 who said "yes." Use a 95 % confidence level. a) Find the best point estimate of the population proportion p. nothing (Round to three decimal places as needed.) b) Identify the value of the margin of error E. Eequals nothing (Round 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 equals 939 and x equals 505 who said "yes." Use a 99 % confidence level. a) Find the best point estimate of the population proportion p. nothing (Round to three decimal places as needed.) b) Identify the value of the margin of error E. Eequals nothing (Round to...
Use the given confidence level and sample data to find a confidence interval for the population standard deviation sigmaσ. Assume that a simple random sample has been selected from a population that has a normal distribution.Salaries of college professorsprofessors who took a geologygeology course in college 8080 % confidence; nequals=3131 , x overbarxequals= $66 comma 20066,200 , sequals= $19 comma 96319,963 LOADING... Click the icon to view the table of Chi-Square critical values. $nothingless than<sigmaσless than< $nothing (Round to the...
Construct a 90% confidence interval to estimate the population proportion with a sample proportion equal to 0.44 and a sample size equal to 100. A 90% confidence interval estimates that the population proportion is between a lower limit of blank and an upper limit of. (Round to three decimal places as needed.)
1. Use the given degree of confidence and sample data to construct a confidence interval for the point) population proportion p. A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 95% confidence interval for the true proportion of all voters in the state who favor approval. 0 0.438<p0.505 0 0.444 p0.500 0 0.435<p<0.508 O 0.471 p0.472 2. Use the given data to find the minimum sample size required...
Determine the sample size n needed to construct a 90% confidence interval to estimate the population proportion when p = 0.65 and the margin of error equals 7%. n= (Round up to the nearest integer.)
Construct a confident interval of the population proportion at the given level of confidence. X=120 n=300 90% Confidence Thanks! 8 of 9 (0 Construct a confidence interval of the population proportion at the given level of confidence xz 120, n: 300, 90% confidence The lower bound is The upper bound is (Round to three decimal places as needed) Enter your answer in each of the answer boxes. O Type here to search
Construct a confidence interval of the population proportion at the given level of confidence. x- 120, n 1200, 99% confidence The lower bound of the confidence interval is (Round to three decimal places as needed.) The upper bound of the confidence interval is (Round to three decimal places as needed.) Construct a 99% confidence interval of the population proportion using the given information. X 105, n 150 The lower bound is The upper bound is (Round to three decimal places...
If n=300 and X=120, construct a 90% confidence interval estimate for the population proportion. Round to four decimal places as needed