Thursday

October 2, 2014

October 2, 2014

Posted by **tea** on Monday, March 26, 2012 at 12:50am.

4, 8, 13, 6, 7, 3, 9, 8, 11, 8

a) Calculate a point estimate of the population mean of radon gas levels. (5 pts)

b) Construct and interpret a 99% confidence interval for . (6 pts)

c) The city standards for radon call for no more than a level of 6 ppm. From these data, does it appear that the mean radon level for city houses is under 6 ppm? Provide statistical justification for your response. (2 pts)

- statistics -
**asdf**, Tuesday, March 19, 2013 at 9:55amasdf

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