Ask a New Question

Find the 95% confidence interval

A random sample of 90 observations produced a mean that = 25.9 and a standard deviation s =2.4(a)Find a 95% confidence interval
1. 1 answer
2. asked by Carol Harper
3. 678 views
Which of the following descriptions of confidence intervals is correct? (Select all that apply)a. If a 95% confidence interval
1. 1 answer
2. asked by Lindsay
3. 1,640 views
A researcher constructs a confidence interval for a population proportion using a sample of size 50. The value of p is.3, and
1. 3 answers
2. 81 views
A researcher constructs a confidence interval for a population proportion using a sample of size 50. The value of is .3, and the
1. 0 answers
2. asked by John maddy
3. 302 views
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ.
1. 1 answer
2. 68 views
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ.
1. 1 answer
2. 93 views
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ.
1. 1 answer
2. 70 views
We have calculated a 95% confidence interval for a proportion and would prefer the confidence interval to be more precise, that
1. 1 answer
2. asked by Nick
3. 664 views
A confidence interval for a population mean has a margin of error of 3.1.a)Determine the length of the confidence interval. b)If
1. 2 answers
2. asked by Anonymous
3. 4,729 views
So if a confidence interval isn't the probability that you'll find the true mean in the confidence interval but the percentage
1. 2 answers
2. asked by Bubbles
3. 192 views