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Starting salaries of 110 college graduates who have taken a statistics course have a mean of...

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Basic Math

Starting salaries of 110 college graduates who have taken astatistics course have a mean of $43,598. Suppose the distributionof this population is approximately normal and has a standarddeviation of $8,635.
Using a 93% confidence level, find both of the following:

(a) The margin of error:  

(b) The confidence interval for the mean ?:

  <. ? <

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