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05-03-2024
Mathematics

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tarting salaries of 55 college graduates who have taken a statistics course have a mean of $43,593. Suppose the distribution of this population is normal and has a standard deviation of $8,135.
Using an 81% confidence level, find both of the following:
(NOTE: Do not use commas nor dollar signs in your answers.)

(a) The margin of error:

equation editorEquation Editor
(b) The confidence interval for the mean μ
:

equation editorEquation Editor <μ<

equation editorEquation Editor

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