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Determine the minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean and o=18.2. Assume the population is normally distributed. A 95% confidence level requires a sample size of (Round up to the nearest whole number as needed.)

Determine the minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean and o=18.2. Assume the population is normally distributed. A 95% confidence level requires a sample size of (Round up to the nearest whole number as needed.)

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 7E
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**Determining Minimum Sample Size for Confidence Interval Calculation** **Objective:** Determine the minimum sample size required for achieving a 95% confidence level, ensuring that the sample mean is within one unit of the population mean. Given that the population standard deviation (σ) is 18.2 and assuming the population follows a normal distribution. --- **Problem:** A 95% confidence level requires a sample size of \( \_\_\_ \) (Round up to the nearest whole number as needed.)
Transcribed Image Text:**Determining Minimum Sample Size for Confidence Interval Calculation** **Objective:** Determine the minimum sample size required for achieving a 95% confidence level, ensuring that the sample mean is within one unit of the population mean. Given that the population standard deviation (σ) is 18.2 and assuming the population follows a normal distribution. --- **Problem:** A 95% confidence level requires a sample size of \( \_\_\_ \) (Round up to the nearest whole number as needed.)
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