Just say Hi For 50 points!

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 distribution systems offers speed and reliability when emergency supplies are needed overseas? a. railroadsb. airfreightc. truckingd. pipelinese. waterways

Which steps would you take to determine how much an employee should be paid? select all that apply. determine the number of hours the employee was scheduled to work. determine the number of hours the employee worked. determine whether the employee worked overtime hours. determine whether any of the days worked are holidays that receive holiday overtime payment rates. determine the hourly rate this employee earns. determine whether this is a new employee.