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You may need to use the appropriate appendix table or technology to answer this question. A simple...

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Question

Statistics

You may need to use the appropriate appendix table or technologyto answer this question.

A simple random sample with

n = 59

provided a sample mean of 26.5 and a sample standard deviationof 4.4. (Round your answers to one decimal place.)

(a)

Develop a 90% confidence interval for the population mean.

(b)

Develop a 95% confidence interval for the population mean.

(c)

Develop a 99% confidence interval for the population mean.

Answer & Explanation Solved by verified expert
4.0 Ratings (785 Votes)
Solution Given thatat2df 1672Margin of error E t2df s n 1672 44 59Margin of error E 10The 90    See Answer
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