a. Ho: The population of the shelf life of Red Ketchup is not normally distribut

Question

a. Ho: The population of the shelf life of Red Ketchup is not normally distributed with a mean of 24 and a standard deviation of 3.91. b. Ho: The population of the shelf life of Red Ketchup is normally distributed with a mean of 24.00 and a standard deviation of 3.91. c. Ho: The shelf life of the Red Ketchup is independent for each container. d. Ho: The population of the shelf life of Red Ketchup is normally distributed with a mean of 0 and a standard deviation of 1. A company believes that the shelf life of its product Red Ketchup is normally distributed. A sample of 30 containers was taken and the shelf life was recorded. The results are given below. The average shelf life in the sample was 24 days and the standard deviation was 3.91 days. 21 21 21 21 21 21 21 21 21 22 22 22 22 22 22 23 23 23 23 24 24 25 26 30 30 30 31 32 34 What is the null hypothesis that would be used to test the manager's belief?

Explanation / Answer

Ans: b. Ho: The population of the shelf life of Red Ketchup is normally distributed with a mean of 24.00 and a standard deviation of 3.91.

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