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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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gcd99br gcd99br
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4 years ago
A shipping firm suspects that the mean life of a certain brand of tire used by its trucks is less than 35,000 miles. To check the claim, the firm randomly selects and tests 18 of these tires and gets a mean lifetime of 34,200 miles with a standard deviation of 1200 miles. At α = 0.05, test the shipping firm's claim. Round the test statistic to the nearest thousandth.
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Statistics: Informed Decisions Using Data

Statistics: Informed Decisions Using Data


Edition: 5th
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h00304413h00304413
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4 years ago
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gcd99br Author
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4 years ago
Good timing, thanks!
Marctheshark
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
jbarnett14
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2 hours ago
Thanks
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