A simple random sample of thirty-six students has a mean age equal to x = 28.50 years, determine a 95% confidence interval estimate for u given o = 6.24 years. Give your answers to two decimal places. Determine the sample size needed for a maximum margin of error of two years for the 95% confidence interval estimate for u given a = 6.24

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
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a)
A simple random sample of thirty-six students has a mean age equal to x = 28.50 years, determine a
95% confidence interval estimate for u given o = 6.24 years. Give your answers to two decimal places.
Determine the sample size needed for a maximum margin of error of two years for the 95% confidence
interval estimate for μ given o = 6.24
b)
Transcribed Image Text:a) A simple random sample of thirty-six students has a mean age equal to x = 28.50 years, determine a 95% confidence interval estimate for u given o = 6.24 years. Give your answers to two decimal places. Determine the sample size needed for a maximum margin of error of two years for the 95% confidence interval estimate for μ given o = 6.24 b)
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