Andrew found a stone in his yard and took it to Brad, a jeweler, for evaluation. Although Brad knew what the stone was, he told Andrew that he wasn't sure as to the nature of the stone, but that he thought it was a saphire. Brad then offered to buy the stone for $50 and Andrew agreed. Later Andrew found out the stone was an uncut blue diamond worth about $10,000. The sale:

Witch is an example of a non durable good?

Which of the following best describes why you need to establish goals for your program?

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