Suppose the market for low-skilled labor is in equilibrium, and then two things happen at the same time. first, a large number of low-skill immigrants enters the country, competing with domestic low-skill workers. second, these immigrants all want to buy more goods and services, and they typically buy goods produced by low-skill workers. which of the following will occur in the market for low-skill workers a. the number of workers employed will rise, but we cannot tell what will happen to the wage rate. b. the wage rate will fall, but we cannot tell what will happen to the number of workers. c. the number of workers employed will fall, but we cannot tell what will happen to the wage rate. d. the number of workers employed will rise, and the wage rate will fall.

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