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A claim with an alpha =0.10 and a mu of 20. A sample size of...

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Basic Math

A claim with an alpha =0.10 and a mu of 20. A sample size of 30yields a sample mean of 17.5 and a sample standard deviation of 10.What is the upper confidence limit with 3 decimal places?

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We have given that Sample mean 175 Sample    See Answer
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