Question 5 く > You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o = 70.6. You would like to be 98% confident that your estimate is within 1 of the true population mean. How large of a sample size is required? n = Do not round mid-calculation. However, you are encouraged to use a critical value accurate to three decimal places – this is important for the system to be able to give hints for incorrect answers.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 60SE: Use this data for the exercises that follow: In 2013, there were roughly 317 million citizens in the...
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Question 5
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the
population standard deviation is approximately o =
estimate is within 1 of the true population mean. How large of a sample size is required?
70.6. You would like to be 98% confident that your
n =
Do not round mid-calculation. However, you are encouraged to use a critical value accurate to three decimal
places – this is important for the system to be able to give hints for incorrect answers.
Transcribed Image Text:Question 5 You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o = estimate is within 1 of the true population mean. How large of a sample size is required? 70.6. You would like to be 98% confident that your n = Do not round mid-calculation. However, you are encouraged to use a critical value accurate to three decimal places – this is important for the system to be able to give hints for incorrect answers.
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