Mathematics, 20.09.2020 16:01 zahradawkins2007
Suppose that a bottled water plant wants to determine if the bacteria count in their water supply exceeds the safety threshold of 100 cfu/mL (colony-forming units per milliliter). Ten different samples were taken at random points in the water supply, and the bacterial count was measured in cfu/mL. The data is presented below:
104 102 100 97 93 105 102 97 96 102
Answer the following four questions on whether the bacteria count in the water supply exceeds the safety threshold of 100 cfu/mL.
Required:
a. Which is appropriate alternative hypothesis?
b. What is the value of t that defines the rejection region for a= 0.01?
c. Using the information in the above two questions, what is the value of the test statistic T?
Answers: 2
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Suppose that a bottled water plant wants to determine if the bacteria count in their water supply ex...
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