Miguel fills a pitcher with water. He adds 10 tablespoons of grape mix to make a grape drink. Nelsha and Jamar each make their own grape drink Nelsha fills a pitcher with the same amount of water that is in Miguel's drink. She adds 8 tablespoons of grape mix to the water.
Jamar fills a pitcher with less water than is In Miguel's drink. He adds 10 tablespoons of grape mix to the water.

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?