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Use the t-distribution to find a confidence interval for a mean μ given the relevant sample...

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Basic Math

Use the t-distribution to find a confidence intervalfor a mean μ given the relevant sample results. Give the best pointestimate for μ, the margin of error, and the confidence interval.Assume the results come from a random sample from a population thatis approximately normally distributed.

A 95% confidence interval for μ using the sample results x¯=89.9,s=9.3, and n=42

Round your answer for the point estimate to one decimal place, andyour answers for the margin of error and the confidence interval totwo decimal places.

point estimate =

margin of error =

The 95% confidence interval is

Answer & Explanation Solved by verified expert
4.3 Ratings (555 Votes)
Solution Given that 899s 93n 42point estimate899Degrees of    See Answer
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