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Starting salaries of 95 college graduates who have taken a statistics course have a mean of...

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Basic Math

Starting salaries of 95 college graduates who have taken astatistics course have a mean of $44,915. Suppose the distributionof this population is approximately normal and has a standarddeviation of $10,596.
Using an 85% 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 ?:

Answer & Explanation Solved by verified expert
4.3 Ratings (646 Votes)
We have given that Sample mean 44915    See Answer
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