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Mathematics, 12.08.2021 23:40 colebuug9
An automobile manufacturer claims that their van has a 40.3 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this van. After testing 190 vans, they found a mean MPG of 51.4. Assume the population standard deviation is known to be 1.7.
Required:
Is there sufficient evidence at the 0.05 level to support the testing firm's claim
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Answers: 2
![ansver](/tpl/images/cats/User.png)
Answer from: Quest
is only a line? i think so
![ansver](/tpl/images/cats/User.png)
Answer from: Quest
+1,000)=g7e=mc2-g=7 because if you know algebra you should know g=7 to get your answer
![ansver](/tpl/images/cats/User.png)
Answer from: Quest
definitely a. the others have almost all data points on one side of the line.
step-by-step explanation:
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An automobile manufacturer claims that their van has a 40.3 miles/gallon (MPG) rating. An independen...
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