SAT scores are distributed with a mean of 1,490 and standard deviation of 295. You are interested in estimating the average SAT score of your first-year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 27 points, how many students should you sample?

Answer: Given Data: The Population Mean $ (\mu) = 1490 $The Population Standard Deviation $ (\sigma) = 295 $ The Confidence Interval Level $ = 95\% $The Margin Of Error $ (E) = 27 $ Solution:The level of significance $…

SAT scores are distributed with a mean of 1,550 and standard deviation of 325. You are interested in estimating the average SAT score of your first-year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 32 points, how many students should you sample?

Answer: Given Data: The Population Mean $ (\mu) = 1550 $The Population Standard Deviation $ (\sigma) = 325 $ The Confidence Interval Level $ = 95\% $The Margin Of Error $ (E) = 32 $ Solution:The level of significance $…

SAT scores are distributed with a mean of 1,300 and standard deviation of 270. You are interested in estimating the average SAT score of your first-year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 18 points, how many students should you sample?

Answer: Given Data: The Population Mean $ (\mu) = 1300 $The Population Standard Deviation $ (\sigma) = 270 $ The Confidence Interval Level $ = 95\% $The Margin Of Error $ (E) = 18 $ Solution:The level of significance $…

SAT scores are distributed with a mean of 1,520 and standard deviation of 280. You are interested in estimating the average SAT score of your first-year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 20 points, how many students should you sample?

Answer: Given Data: The Population Mean $ (\mu) = 1520 $The Population Standard Deviation $ (\sigma) = 280 $ The Confidence Interval Level $ = 95\% $The Margin Of Error $ (E) = 20 $ Solution:The level of significance $…

SAT scores are distributed with a mean of 1,480 and standard deviation of 300. You are interested in estimating the average SAT score of your 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?

Answer: Given Data: The Population Mean $ (\mu) = 1480 $The Population Standard Deviation $ (\sigma) = 300 $ The Confidence Interval Level $ = 95\% $The Margin Of Error $ (E) = 25 $ Solution:The level of significance $…

SAT scores are distributed with a mean of 1,600 and standard deviation of 310. You are interested in estimating the average SAT score of your first-year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 22 points, how many students should you sample?

Answer: Given Data: The Population Mean $ (\mu) = 1600 $The Population Standard Deviation $ (\sigma) = 310 $ The Confidence Interval Level $ = 95\% $The Margin Of Error $ (E) = 22 $ Solution:The level of significance $…

SAT scores are distributed with a mean of 1,450 and standard deviation of 290. You are interested in estimating the average SAT score of your first-year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 28 points, how many students should you sample?

Answer: Given Data: The Population Mean $ (\mu) = 1450 $The Population Standard Deviation $ (\sigma) = 290 $ The Confidence Interval Level $ = 95% $The Margin Of Error $ (E) = 28 $ Solution:The level of significance $…

SAT scores are distributed with a mean of 1,350 and standard deviation of 320. You are interested in estimating the average SAT score of your first-year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 35 points, how many students should you sample?

Answer: Given Data: The Population Mean $ (\mu) = 1350 $The Population Standard Deviation $ (\sigma) = 320 $ The Confidence Interval Level $ = 95\% $The Margin Of Error $ (E) = 35 $ Solution:The level of significance $…

SAT scores are distributed with a mean of 1,400 and standard deviation of 275. You are interested in estimating the average SAT score of your first-year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 30 points, how many students should you sample?

Answer: Given Data: The Population Mean $ (\mu) = 1400 $The Population Standard Deviation $ (\sigma) = 275 $ The Confidence Interval Level $ = 95\% $The Margin Of Error $ (E) = 30 $ Solution:The level of significance $…

SAT scores are distributed with a mean of 1,200 and standard deviation of 250. You are interested in estimating the average SAT score of your first-year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 20 points, how many students should you sample?

Answer: Given Data: The Population Mean $ (\mu) = 1200 $The Population Standard Deviation $ (\sigma) = 250 $ The Confidence Interval Level $ = 95\% $The Margin Of Error $ (E) = 20 $ Solution:The level of significance $…