QUIZ #4 -- Problem 1: The USDA has begun an investigation regarding customer complaints against the popular Frog-Burger franchise in San Diego for undersized quarter-pound hamburgers. In order to determine the precooked weight of the meat patty, a random sample of 100 patties is obtained. The mean weight was 3.79 ounces with a standard deviation of 0.65 ounces. Find a 99% confidence interval for the true mean weight of all quarter pound hamburgers at the Frog-Burger franchise. Write a complete answer in the proper format. Does it appear that the complaints are justified? EXPLAIN. Show all work on your paper, including a graph. Be complete. You must use the methods covered in this class. (note: 4 ounces = 1/4 pound )

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**Quiz #4 - Problem 1:**

The USDA has begun an investigation regarding customer complaints against the popular Frog-Burger franchise in San Diego for undersized quarter-pound hamburgers. In order to determine the precooked weight of the meat patty, a random sample of 100 patties is obtained. The mean weight was 3.79 ounces with a standard deviation of 0.65 ounces. 

**Find a 99% confidence interval for the true mean weight of all quarter-pound hamburgers at the Frog-Burger franchise. Write a complete answer in the proper format. Does it appear that the complaints are justified? Explain. Show all work on your paper, including a graph. Be complete. You must use the methods covered in this class.** 

(Note: 4 ounces = 1/4 pound)
Transcribed Image Text:**Quiz #4 - Problem 1:** The USDA has begun an investigation regarding customer complaints against the popular Frog-Burger franchise in San Diego for undersized quarter-pound hamburgers. In order to determine the precooked weight of the meat patty, a random sample of 100 patties is obtained. The mean weight was 3.79 ounces with a standard deviation of 0.65 ounces. **Find a 99% confidence interval for the true mean weight of all quarter-pound hamburgers at the Frog-Burger franchise. Write a complete answer in the proper format. Does it appear that the complaints are justified? Explain. Show all work on your paper, including a graph. Be complete. You must use the methods covered in this class.** (Note: 4 ounces = 1/4 pound)
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