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Category > Math Posted 12 Aug 2017 My Price 6.00

For a data set obtained from a random sample, n = 81 and x = 48.25.

For a data set obtained from a random sample, n = 81 and x = 48.25. It is known

       that σ = 4.8.

  Make a 95% confidence interval for μ. What is the lower limit? Round to two decimal places.

Make a 95% confidence interval for μ. What is the upper limit? Round to two decimal places.

What is the margin of error of estimate for part b? Round to two decimal places.

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SophiaPretty
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Status NEW Posted 12 Aug 2017 08:08 AM My Price 6.00

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