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I do not know why I keep getting this question wrong, I triple checked my work! A...

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Statistics

I do not know why I keep getting this question wrong, I triplechecked my work!

A distribution of values is normal with a mean of 80 and astandard deviation of 18. From this distribution, you are drawingsamples of size 23.

Find the interval containing the middle-most 40% of sample means:ANSWER HERE

Enter your answer using interval notation. In thiscontext, either inclusive or exclusive intervals would beacceptable. Your numbers should be accurate to 1 decimal places.Answers obtained using exact z-scores or z-scoresrounded to 3 decimal places are accepted.

I got 84.5 as my answer

Answer & Explanation Solved by verified expert
4.1 Ratings (599 Votes)
Let n23Now we want to find the interval containing the middle most40    See Answer
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