Publicity tools are multiple choice a. methods used to get a nonpersonal, directly paid presentation of a company or its products. b. short-term inducements of value offered to arouse interest in buying a product or service. c. free space or time donated by the media. methods of tying charitable contributions of a firm directly to the customer revenues produced through the promotion of one of its products. d. methods of obtaining non personal presentation of an organization, product, or service without direct cost.

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