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Hello, I want to check my work. I used invNorm on a calculator. If there an excel formula I can use?  Can you please explain these steps to solving this problem?  Thank you!  You want to obtain a sample to estimate a population mean age of the incoming fall term transfer students. Based on previous evidence, you believe the population standard deviation is approximately 6.5. You would like to be 90% confident that your estimate is within 2 of the true population mean. How large of a sample size is required?  n =  Use technology to find z-score. Give your answer in whole people. Make sure you use the correct rounding rule for samples size.

Hello, I want to check my work. I used invNorm on a calculator. If there an excel formula I can use?  Can you please explain these steps to solving this problem?  Thank you!  You want to obtain a sample to estimate a population mean age of the incoming fall term transfer students. Based on previous evidence, you believe the population standard deviation is approximately 6.5. You would like to be 90% confident that your estimate is within 2 of the true population mean. How large of a sample size is required?  n =  Use technology to find z-score. Give your answer in whole people. Make sure you use the correct rounding rule for samples size.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 26PFA
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Hello, I want to check my work. I used invNorm on a calculator. If there an excel formula I can use? 
Can you please explain these steps to solving this problem?  Thank you! 

You want to obtain a sample to estimate a population mean age of the incoming fall term transfer students. Based on previous evidence, you believe the population standard deviation is approximately 6.5. You would like to be 90% confident that your estimate is within 2 of the true population mean. How large of a sample size is required? 

n = 

  • Use technology to find z-score.
  • Give your answer in whole people.
  • Make sure you use the correct rounding rule for samples size.
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