mariagoldgames
13.04.2021 •
Mathematics
A manufacturer claims that a particular automobile model will get 50 miles per gallon on the highway. The researchers at a consumer-oriented magazine believe that this claim is high and plan a test with a simple random sample of 25 cars. What should the researchers conclude if the sample mean is 49 miles per gallon with standard deviation 2.3 miles per gallon
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Ответ:
Following are the responses to the given question:
Step-by-step explanation:
Given values:
Therefore, the 0.02 p-value is sufficient proof to reject the claim form of the manufacturer.
Ответ:
The Domain is all real numbers.
The range is y > 1.
The graph has a y-intercept of 1.
The function is always decreasing.
Step-by-step explanation: