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Formula used to calculate confidence

Formula used to calculate confidence interval..please give example. Thanks
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2. asked by Bryant
3. 458 views
Using Cochran’s formula, at 95% confidence and 50% prevalence, to calculate sample size
1. 1 answer
2. 20 views
How do I calculate the overall confidence limit and the overall relative confidence limit for the percent chloride?I've found
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2. asked by Danielle
3. 1,097 views
what is the margin of error for a simple random sample of 900 people with a standard deviation of 13.5 at 95% level of
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2. asked by Darryl
3. 564 views
use SPSS to calculate the 90%, 95% and 99% confidence intervals for the mean of the variable weight. Interpret the three
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2. asked by love
3. 817 views
Suppose that, based on a simple random sample of n = 100 American adult men, we wish to calculate a 98% confidence interval for
1. 5 answers
2. 99 views
Suppose that, based on a simple random sample of n = 100 American adult men, we wish to calculate a 98% confidence interval for
1. 1 answer
2. 97 views
In the media, numerous surveys are often displayed reporting percentages or proportions. A margin of error is often reported in
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2. asked by cortez
3. 637 views
Suppose that, based on a simple random sample of n=50 English Premier League soccer matches, we wish to calculate a 94%
1. 3 answers
2. 100 views
Which of the following descriptions of confidence intervals is correct? (Select all that apply)a. If a 95% confidence interval
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2. asked by Lindsay
3. 1,639 views