A sample of 196 houses is taken to estimate David Bourgeois @The

Question 26 / 187: A sample of 196 houses is taken to estimate the average electric usage per month. The sample mean is 2,000 kilowatts per hour, and the population standard deviation is 350 kilowatt hours. What will be the 95% confidence interval for the estimate of the population mean?

A 1314 kilowatts per hour to 2686 kilowatts per hour

B 1951 kilowatts per hour to 2049 kilowatts per hour

C 1998 4 kilowatts per hour to 2001.96 kilowatts per hour

D 1650 kilowatts per hour to 2350 kilowatts per hour

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https://www.jobilize.com/business-statistics-by-david-bourgeois-bharatendra-rai

Business Statistics

Author:

David BourgeoisLecturer

The Saylor Academy

USA

Access: Public Instant Grading

Attribution: David T. Bourgeois, PhD; Bharatendra K. Rai, PhD. Business Statistics. The Saylor Academy 2014, http://www.saylor.org/courses/bus204/

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