A researcher takes a simple random sample of 83 homes in a city and finds that the mean square footage is 1628 with a standard deviation of 243 square feet. Which interval is the 90% confidence interval for the mean square footage of all the homes in that city?

ANSWER:

(1584 ft2, 1672 ft2)

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Which graph represents the following piecewise defined function?

If you answer right ill give brainliest, : )