Scenario: The economy of Country Y has been in an economic downturn for the last several months. Recently, businesses have invested in new technologies in order to produce the goods that consumers are demanding within the nation's own borders. The government has removed regulations to allow producers and consumers to have more financial freedom. As a result, consumer spending has increased and the economy has begun to improve. Use the drop-down menus to complete the sentences. According to the information presented about Country Y, the classical economic concept of can be seen. The economic events of Country Y demonstrate the idea of laissez faire because the government intervene in economic events.

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