(Answered) Starting salaries of 75 college graduates who have taken a

Statistics

Starting salaries of 75 college graduates who have taken a statistics course have a mean of $43,737. Suppose the distribution of this population is approximately normal and has a standard deviation of $9,812.

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

b)The confidence interval for the mean μ

μ: _<μ<_

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