Can someone explain to be what I should be doing in the Unit 2 Marketing exam? Especially Activity 1 when it comes to stating a “rationale”. I don’t really know what that means.

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

Which of the following is a characteristic that can be used to guide the design of service systems? a. services cannot be inventoried. b. services are all similar. c. quality work means quality service. d. services businesses are inherently entrepreneurial. e. even service businesses have internal services.

What is an equation of the line in slope intercept formm = 4 and the y-intercept is (0,5)y = 4x-5y = -5x +4y = 4x + 5y = 5x +4