Aroom measures 12 feet by 12 feet. a couch is 10 feet and 6 inches long. if you center the couch in the middle of the room, how far will each end of the couch be from the nearest wall?

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?