Out Of 400 People Sampled 104 Had Kids Based On This Construct A 99 Confidence Interval For The True Population Prop 1 (18.9 KiB) Viewed 22 times
Out Of 400 People Sampled 104 Had Kids Based On This Construct A 99 Confidence Interval For The True Population Prop 2 (19.63 KiB) Viewed 22 times
Out of 400 people sampled, 104 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three places <<
а SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average SAT score of first year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 25 points, how many students should you sample?
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