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Mathematics, 13.05.2020 18:57 ally3724f
Bastien, Inc. has been manufacturing small automobiles that have averaged 50 miles per gallon of gasoline in highway driving. The company has developed a more efficient engine for its small cars and now advertises that its new small cars average more than 50 miles per gallon in highway driving. An independent testing service road-tested 36 of the automobiles. The sample showed an average of 51.5 miles per gallon. The population standard deviation is 6 miles per gallon. (Given significance level
State the hypotheses.
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Bastien, Inc. has been manufacturing small automobiles that have averaged 50 miles per gallon of gas...
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