Question

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?

Answer 1

Answer:

Yes, sales have increased as a result of the advertising campaign.

Explanation:

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Note: I had to convert the explanation into both jpeg and files (both contains the same answer) when the answer box kept on rejecting my answer claiming it contains swear words when it does not.