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 (μ)=1490The Population Standard Deviation (σ)=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 (μ)=1550The Population Standard Deviation (σ)=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 (μ)=1300The Population Standard Deviation (σ)=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 (μ)=1520The Population Standard Deviation (σ)=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 (μ)=1480The Population Standard Deviation (σ)=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 (μ)=1600The Population Standard Deviation (σ)=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 (μ)=1450The Population Standard Deviation (σ)=290 The Confidence Interval Level =95The 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 (μ)=1350The Population Standard Deviation (σ)=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 (μ)=1400The Population Standard Deviation (σ)=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 (μ)=1200The Population Standard Deviation (σ)=250 The Confidence Interval Level =95%The Margin Of Error (E)=20 Solution:The level of significance $…