Awisconsin-based dairy farm has 1,200 cows in their milking herd that collectiviley produce 160,500 pounds of milk products per square kilometer of grazing pasture for a total of 7,704,000 pounds of milk products. how many square kilometers do these cows get to roam around on ?

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?