In a sample of seven cars, each car was tested for nitrogen-oxide emissions (in grams per mile) and the following results were obtained. 0.06 0.11 0.16 0.15 0.14 0.08 0.15

(a) construct a 98% confidence interval for the mean nitrogen-oxide emissions of all cars.
(b) if the epa requires that nitrogen-oxide emissions be less than 0.165 g/mi, based on the 98% confidence interval in

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat