ABC Hardware Store orders one hundred power hand-drills from Drilling Tools Inc. When the hand-drills are delivered, they are all missing pieces. ABC rejects the shipment. To exercise a right to cure, Drilling must a. pick up the nonconforming tools before the end of the business day. b. promptly notify ABC of the intent to cure. c. pay a cure fee. d. enter into a new contract with ABC.

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis. b)reject the null hypothesis and conclude the mean is higher than $6,000 per day. c)reject the null hypothesis and conclude the mean is lower than $6,000 per day. d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day. expert answer