alg

Find the sample size that produces the margin of error ± 3.0%

1. 👍 0
2. 👎 0
3. 👁 87

Similar Questions

1. Calculus

In a poll of 400 voters in a certain state, 61% said that they opposed a voter ID bill that might hinder some legitimate voters from voting. The margin of error in the poll was reported as 4 percentage points (with a 95% degree of

asked by Scott on April 9, 2015
2. algebra

Find the sample size that produces the margin of error ± 3.0%

asked by jerson on May 12, 2008
3. Algebra 2: Prob and Stats

Find the sample size that produces the margin of error +-4.0% a) 325 b) 25 c) 16 d) 625

asked by Skye on May 24, 2010
4. STATISTIC

A study based on a sample of size 25 reported a mean of 94 with a margin of error of 15 for 95% confidence (a) Give the 95% confidence interval. (__________,________) (b) If you wanted 99% confidence for the same study, would your

asked by YOMO on May 28, 2017
5. stat

Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval. A researcher wishes to estimate the mean amount of money spent per month on food by households in a certain

asked by jim on April 26, 2015
6. Statistics

Find the margin of error for a 95% confidence interval for estimating the population mean when the sample standard deviation equals 100, with a sample size of (i) 400, (ii) 1600. What is the effect of the sample size? (b) Find the

asked by courtney on April 5, 2015
7. Statistics

An opinion poll asks a random sample of 100 college seniors how they view their job prospects. In all, 53 say "Good." The 95% confidence interval has a margin of error of 9.9%. The sample used actually included 130 college seniors

asked by Samantha on November 11, 2013
8. Algebra 2: Prob and Stats

A survey of 480 high school students found that 37% had a pet. Find the margin of error. Round to the nearest percent. Use the margin of error to find an interval that is likely to contain the true population proportion. * margin

asked by Skye on May 24, 2010
9. Statistics

Find the margin of error for a 95% confidence interval for estimating the population mean when the sample standard deviation equals 100, with a sample size of (i) 400, (ii) 1600. What is the effect of the sample size? (b) Find the

asked by Courtney R on April 4, 2015
10. statistics

A sample of 200 students in a English class were asked- How long did you sleep last night? sample mean: 6.4 hours S.D. = 1.6 HOURS Standard Error = .11 hours sample size = 200 What type of data is used in this example? my answer:

asked by Sheri on July 9, 2012

More Similar Questions