Suppose that arandom sampleof 16 recently sold houses in a certain city has ameansales price of $280,000, with astandard deviationof $13,000. Under the assumption that house prices arenormally distributed, find a

90% confidence intervalfor themeansales price of all houses in this city. Give the lower limit and upper limit of the 90% confidence interval.

Carry your intermediate computations to at least three decimal places. Round your answers to the nearest whole number. (If necessary, consult alist of formulas.)

Lower limit:	$
Upper limit:	$

Answer rating: 100% (QA)

To find the 90 confidence interval for the mean sales price of all houses in the city we can use the ... View the full answer