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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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cookant2013m cookant2013m
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2 years ago
The Department of Transportation would like to test the hypothesis that the average age of cars on the road is less than 12 years. A random sample of 45 cars had an average age of 10.6 years. It is believed that the population standard deviation for the age of cars is 4.1 years. The Department of Transportation would like to set α = 0.05. The conclusion for this hypothesis test would be that because the test statistic is ______________________________________.

▸ more than the critical value, we can conclude that the average age of cars on the road is less than 12 years

▸ more than the critical value, we cannot conclude that the average age of cars on the road is less than 12 years

▸ less than the critical value, we can conclude that the average age of cars on the road is less than 12 years

▸ less than the critical value, we cannot conclude that the average age of cars on the road is less than 12 years
Textbook 
Business Statistics

Business Statistics


Edition: 2nd
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KellyNguyKellyNguy
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2 years ago
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cookant2013m Author
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2 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
choih94
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Yesterday
You make an excellent tutor!
Jose^2
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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