Answers: 2
Business, 22.06.2019 12:30, asseatingbandit
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
Answers: 3
Business, 22.06.2019 21:40, cutierosie5136
Which of the following distribution systems offers speed and reliability when emergency supplies are needed overseas? a. railroadsb. airfreightc. truckingd. pipelinese. waterways
Answers: 2
Business, 23.06.2019 02:00, mayaduke9482
When making a major purchase, i often spend months to learn all the issues?
Answers: 3
Sources of market failure include a) private goods. b) competitive behavior. c) externalities. d) un...
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